Okamura Contessa II vs Humanscale World One
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
Differences at a glance
Sources
- Okamura Contessa II Spec Guide, Global (BIFMA, mm), January 2026 ↗Checked Sep 26, 2026
- Humanscale World LM Spec Sheet ↗Checked Sep 29, 2026
- Contessa II | Okamura global (okamura.com, Asia Pacific English) ↗Checked Sep 26, 2026
- Okamura Japan product page: Contessa Seconda (Japanese) ↗Checked Sep 26, 2026
- Okamura Global General Warranty Statement (excludes Japan) ↗Checked Sep 26, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
- US Humanscale Store (price) ↗Checked Sep 29, 2026
Okamura Contessa IIHumanscale World One
- Price
- ¥243,650 – ¥377,410$705
- Seat height
- 434–544 mm (17.1–21.4 in)15.6 in - 20.7 in / 397 mm - 527 mm; 16 in - 21 in / 425 mm - 545; 18.1 in - 25.6 in / 460 mm - 651 mm
- Seat depth
- 400–450 mm (15.7–17.7 in)16.4 / 416 in; 17.9 / 454 in
- Load capacity
- 300 lb (136 kg)100–400 lb
- Recline
- Ankle-tilt reclining; recline angle 26°17° Recline + 8° Backrest Tilt
- Arms
- 4D arm or fixed arm; armrest height from the floor 604–814 mm (4D arm), 639–749 mm (fixed arm) (23.8–32 in; 25.2–29.5 in)Armrest Height 9.5 in Fixed / 7.2 in - 10.75 in Adjustable (241.3 mm / 183 mm - 273 mm); options Adjustable Duron Arms, Fixed Duron Arms, No Arms
- Lumbar support
- Optional lumbar support with 60 mm height adjustment (can be retrofitted) (2.4 in)Tri-panel back with Form Sensing Mesh technology provides tailor-made lumbar support (no knobs or levers)
- Warranty
- 10 years: structural components, including mechanisms and adjustable arms; 5 years: casters, gas cylinder, adjustment levers; 2 years: coating finish, mesh and fabric, cushions, arm pads12 Years, Component and Parts; 5 Years, Fabric/Cushions
What users mention
From 2 Okamura Contessa II and 5 Humanscale World One user reviews, most mentioned first. Green is liked, orange is a caution.
Breathability
Okamura Contessa II7 mentionsHumanscale World One8 mentionsComfort
Okamura Contessa II7 mentionsHumanscale World One4 mentionsPrice and value
Okamura Contessa II6 mentionsHumanscale World One5 mentionsAdjustability
Okamura Contessa II5 mentionsHumanscale World One6 mentionsSeat
Okamura Contessa II7 mentionsHumanscale World One3 mentionsBack support
Okamura Contessa II7 mentionsHumanscale World One0 mentions
Questions
What do owners mention most?
Comfort for the Okamura Contessa II, and breathability for the Humanscale World One, based on review summaries.
Okamura Contessa II: specs, reviews, where to buy →Humanscale World One: specs, reviews, where to buy →
Swap in a similar chair
Compare Okamura Contessa II with
Compare Humanscale World One with
More comparisons
- Okamura Contessa II vs Steelcase Gesture Arms: 4D arm or fixed arm on Okamura Contessa II; Width 10.25–22.5 in between arms on Steelcase Gesture.
- Okamura Contessa II vs Herman Miller Aeron Arms: 4D arm or fixed arm on Okamura Contessa II; Arm height 7.5–11.5 in on Herman Miller Aeron.
- Okamura Contessa II vs Steelcase Leap V2 Load capacity: 300 lb on Okamura Contessa II; 400 lb on Steelcase Leap V2.
- Okamura Contessa II vs Herman Miller Cosm High Back Arms: 4D arm or fixed arm on Okamura Contessa II; Leaf Arms on Herman Miller Cosm High Back.
- Humanscale World One vs Steelcase Leap V2 Load capacity: 100–400 lb on Humanscale World One; 400 lb on Steelcase Leap V2.


