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HKM-981779 Luxury Leather Ergonomic Adjustable Swivel Office Chair for Executives and Managers
Luxury Leather Ergonomic Swivel Office Chair
Model HKM-981779
Designed for the discerning professional, the HKM-981779 merges supple genuine leather upholstery with precision ergonomic engineering. Every detail—from the hand-finished stitching to the fluid 360° swivel—has been refined to deliver an uncompromising seating experience that supports focus, posture, and well-being throughout the longest workdays.
Where craftsmanship meets all-day comfort
The HKM-981779 is more than an office chair—it is a strategic investment in your productivity and health. Built around the natural curvature of the spine and wrapped in premium leather, it brings executive-grade refinement into any workspace, whether a corner office or a sophisticated home study.
Adaptive Ergonomic Contour
The backrest mimics the natural S-curve of the spine, distributing pressure evenly and helping reduce lower back fatigue during extended sitting sessions.
Genuine Leather Upholstery
Supple, breathable top-grain leather with a refined pebble texture that ages gracefully, developing a rich patina unique to each chair over time.
Smooth Height Adjustment
Class-4 gas lift mechanism enables effortless seat-height customization from 17.7 to 21.7 inches (45–55 cm), accommodating desks of varying heights with precision.
360° Swivel Mobility
A robust dual-ball-bearing swivel base delivers fluid, silent rotation so you can pivot between screens, reach files, and collaborate without leaving your seat.
Designed for the human body, proven by science
Prolonged sitting places significant stress on the lumbar spine, cervical vertebrae, and hip joints. Research indicates that chairs with proper lumbar support and adjustable geometry can reduce musculoskeletal discomfort by up to 40% compared to static, non-ergonomic alternatives. The HKM-981779 addresses this directly through its anatomically informed design.
Lumbar Support Architecture
The integrated lumbar curve is positioned precisely at the L3–L5 vertebrae region, providing gentle yet firm reinforcement that encourages a neutral pelvic tilt. This discourages slouching and helps maintain the spine's natural lordotic curve—critical for preventing chronic lower back strain during 8+ hour workdays.
Beyond lumbar care, the seat cushion employs multi-density foam layering: a firmer base layer for structural integrity, topped with a softer viscoelastic comfort layer that conforms to the sitz bones while reducing pressure on the thighs. The waterfall-edge front profile further relieves pressure behind the knees, promoting healthy circulation to the lower legs.
Genuine leather that tells a story
In the world of fine seating, leather quality distinguishes an ordinary chair from an heirloom piece. The HKM-981779 uses carefully selected top-grain leather—the second-highest grade of genuine leather—known for its ideal balance of durability, breathability, and luxurious hand-feel.
Unlike bonded or heavily corrected leathers, top-grain leather retains the natural grain structure of the hide while having the outermost layer lightly sanded to remove imperfections. The result is a consistent, refined surface that remains porous enough to allow air circulation—critical for thermal comfort during marathon work sessions. Over years of use, the leather develops a distinctive patina, deepening in character and becoming uniquely yours.
Double-stitched seams with high-tenacity nylon thread reinforce stress points along the seat cushion and backrest perimeter, ensuring the upholstery remains taut and wrinkle-free even after thousands of hours of use.
Adjustment that puts you in command
No two bodies are identical, and no single fixed seating position works for everyone. The HKM-981779 provides intuitive, tool-free adjustments that let you fine-tune your seating geometry in seconds.
Height Range: 17.7–21.7 in (45–55 cm)
The pneumatic cylinder offers a generous 4-inch (10 cm) vertical travel, easily operated via the under-seat paddle lever with smooth, controlled ascent and descent.
Tilt Tension & Lock
Adjust the recline resistance to match your body weight, and engage the tilt lock at any angle for a stable, reclined working or resting position.
Engineered for years of daily use
An office chair should be a long-term asset, not a disposable commodity. The HKM-981779 is constructed around a reinforced steel frame and a heavy-duty five-star aluminum alloy base, providing a rock-solid foundation that supports up to 330 lbs (150 kg) without flex or instability.
Rigorous Testing Standards
Every structural component—from the gas lift to the caster housings—undergoes cycle testing that exceeds BIFMA industry benchmarks. The dual-wheel nylon casters are rated for over 100,000 revolutions on both hard flooring and low-pile carpet, ensuring whisper-quiet gliding for years.
The chrome-finished armrest supports are crafted from corrosion-resistant steel, while the padded arm caps use high-resilience foam that retains its shape under repeated elbow and forearm pressure. This is seating built with longevity in mind, designed to maintain its elegance and structural integrity through rigorous daily use.
Detailed specifications at a glance
All measurements are provided in US customary units with metric equivalents. Specifications reflect the standard configuration of the HKM-981779.
(107–117 cm)
(52 cm)
(50 cm)
(72 cm)
(45–55 cm)
(150 kg)
(22 kg)
(70 cm)
(65–75 cm)
Hard & Carpet Floor
A chair that adapts to your workspace
Whether you are furnishing a private executive office, upgrading a managerial workstation, or curating a refined home office, the HKM-981779 integrates seamlessly. Its timeless silhouette and neutral leather palette complement contemporary, mid-century modern, and traditional interiors alike.
For professionals in finance, law, creative direction, software engineering, and consulting—where focus and presence matter equally—this chair delivers both. The swivel function supports dynamic workflows, while the executive aesthetic signals attention to quality and detail. In open-plan environments, the chair's quiet casters and composed visual presence make it a distinguished yet unobtrusive addition.
Answers to common inquiries
What type of leather is used on the HKM-981779?
The HKM-981779 is upholstered in top-grain genuine leather. This grade sits just below full-grain in the leather hierarchy and is prized for its smooth, consistent surface, excellent durability, and natural breathability. It is resistant to cracking and peeling when properly maintained, and it develops a beautiful patina over years of use.
Is this chair suitable for users over 6 feet tall?
Yes. With a backrest height of 28.3 inches (72 cm) and a seat depth of 19.7 inches (50 cm), the HKM-981779 accommodates users up to approximately 6 ft 4 in (193 cm) comfortably. The adjustable seat height further allows taller individuals to achieve proper thigh-to-floor alignment.
Does the chair require assembly?
Minimal assembly is required. The chair ships with the backrest, seat cushion, gas lift, base, and casters as modular components. An illustrated guide and all necessary hardware are included. Most users complete assembly within 15–25 minutes using basic tools.
What is the weight capacity of this chair?
The HKM-981779 has a tested weight capacity of 330 lbs (150 kg). The reinforced steel frame, heavy-duty gas lift, and five-star aluminum alloy base work in concert to provide stable, reliable support across the full rated range.
Can the armrests be adjusted or removed?
The armrests on the HKM-981779 are fixed in position to maintain the chair's structural integrity and refined silhouette. They are set at an optimal height of 25.6–29.5 inches (65–75 cm) from the floor, which aligns with standard desk heights of 28–30 inches (71–76 cm).
Is the leather easy to clean and maintain?
Absolutely. Routine care involves wiping the surface with a soft, slightly damp cloth to remove dust and light soiling. For deeper cleaning, a pH-balanced leather cleaner is recommended every 3–6 months. Avoid harsh solvents, direct sunlight exposure for prolonged periods, and excessive moisture to preserve the leather's natural oils and finish.
Customer-first policies
Free Shipping on All Orders
Complimentary standard shipping on every order with no minimum purchase required. Your chair arrives at your doorstep with zero added delivery cost.
180 Days Purchase Protection
Your investment is safeguarded for a full six months against manufacturing defects. We stand firmly behind the quality of every chair we deliver.
30-Day Money-Back Guarantee
If you are not completely satisfied within 30 days of delivery, return the chair in its original condition for a full and prompt refund.
24-Month Warranty Service
Comprehensive two-year warranty covering all mechanical components, including the gas lift, swivel mechanism, casters, and frame structure.
Every product we offer includes a 180-day purchase protection plan at no additional cost. This coverage extends beyond a standard warranty, reflecting our confidence in product quality and our ongoing commitment to your satisfaction.
The protection plan is designed to provide practical help in real-world situations. Whether you encounter a manufacturing issue, a performance problem, or an unexpected accident, our team is ready to assist with clear, fair solutions.
What Is Covered
Manufacturing Defects
We replace items with material or workmanship flaws at no charge.
Performance Failures
Free repair or replacement if the product fails under normal use.
Accidental Damage
One-time courtesy replacement at a reduced price.
Zero Hidden Fees
All shipping costs for replacements and returns are covered.
How to File a Claim
How This Differs from the Warranty
The 180-day purchase protection includes accidental damage and performance failures that are typically not covered by a standard warranty. It provides an additional layer of support during the first six months after purchase, giving you greater confidence and peace of mind.
We want you to be completely satisfied with your purchase. If for any reason you are not fully happy, you may return your item within 30 days of delivery for a full refund. No lengthy forms, no unnecessary questions.
Our return policy is built on a simple principle: if the product is not right for you, we will make it right. We understand that online shopping involves trust, and we work hard to earn that trust with every order.
Return Eligibility
30-Day Window
Request a return within 30 days of delivery.
Original Condition
Unworn or unused, with tags and original packaging.
Proof of Purchase
A receipt or order number is required.
Fast Refund
Refund processed within 10 business days.
How to Start a Return
Returns & Exchanges Overview
Damages & Exchanges
Please inspect your order as soon as it arrives. If the item is defective, damaged, or incorrect, contact us immediately so we can evaluate the issue and make it right. For exchanges, the fastest option is to return the original item and place a new order for the replacement.
We believe in the quality of our products, and we want you to share that confidence. Every product is backed by a 24-month warranty covering all structural and functional components, including zippers, buckles, straps, and fabric integrity.
The warranty is designed to be simple and accessible. You only need your proof of purchase to begin a claim, and our team will assess the issue promptly. If a manufacturing issue arises, we will make it right.
What the Warranty Covers
Comprehensive Coverage
Every part warranted for two full years.
Free Repair or Replacement
Whichever is faster, at no cost to you.
Quick Turnaround
Claims assessed within 1 business day.
Transferable
Warranty follows the product, not the owner.
How to File a Warranty Claim
Every order ships free—no minimums, no hidden fees. We currently deliver across the United States and are actively working to expand to more countries. We partner with reliable U.S. courier services to ensure your order arrives safely and on time.
Our delivery process is designed for transparency. From the moment you place your order to the moment it reaches your door, you receive clear updates at every stage. We carefully inspect each product before dispatch, and we provide tracking information as soon as your order ships.
Our U.S. Shipping Partners
USPS
Official national carrier with nationwide coverage.
UPS
Fast and reliable ground and express shipping.
FedEx
Express delivery with real-time tracking.
DHL eCommerce
Efficient parcel delivery for e-commerce shipments.
Delivery Process
Delivery Time Summary
Cancellations & Taxes
You may cancel your order at any time before it ships. All product prices include applicable taxes, and there are no additional VAT or customs fees for orders delivered within the United States.
Whether you have a question, need help with an order, or just want some advice, our support team is available around the clock. We don't just respond to messages—we work with you to find real solutions that fit your needs.
Our support specialists are trained to handle a wide range of requests, from product recommendations to technical troubleshooting. No matter the question, you can expect a professional and friendly response.
How We Can Help
Product Guidance
Our experts help you choose the right product.
Order Assistance
Modify orders, track shipments, or speed up delivery.
Warranty & Returns
Start claims or returns quickly and easily.
Technical Troubleshooting
Step-by-step solutions for product issues.
Contact Information
24/7 Phone
+1 (209) 280-3200
support@hekomart.com
Address
3401 Dale Rd, Modesto, CA 95356
Support Hours
Available 24 hours a day, 7 days a week
