Okamura Contessa II vs Humanscale Diffrient World
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
VS
Differences at a glance
Sources
- Okamura Contessa II Spec Guide, Global (BIFMA, mm), January 2026 ↗Checked Sep 26, 2026
- Ergonomic Mesh Office Chair | Diffrient World | Humanscale ↗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
- Humanscale World brochure ↗Checked Sep 29, 2026
- Okamura Global General Warranty Statement (excludes Japan) ↗Checked Sep 26, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
Okamura Contessa IIHumanscale Diffrient World
- Price
- ¥243,650 – ¥377,410$1,431
- Seat height
- 434–544 mm (17.1–21.4 in)15.6” – 20.75”
- Load capacity
- 300 lb (136 kg)up to 400 lbs
- 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)Duron Arms: Armless / Fixed / Height Adjustable / 4D
- Lumbar support
- Optional lumbar support with 60 mm height adjustment (can be retrofitted) (2.4 in)Tri-paneled Form Sensing mesh back (no manual lumbar adjustment)
- 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 pads15 Years, Components and Parts | 5 Years, Fabric and Cushions
What users mention
From 2 Okamura Contessa II and 7 Humanscale Diffrient World user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Okamura Contessa II7 mentionsHumanscale Diffrient World8 mentionsBreathability
Okamura Contessa II7 mentionsHumanscale Diffrient World6 mentionsPrice and value
Okamura Contessa II6 mentionsHumanscale Diffrient World6 mentionsBack support
Okamura Contessa II7 mentionsHumanscale Diffrient World3 mentionsSeat
Okamura Contessa II7 mentionsHumanscale Diffrient World3 mentionsAdjustability
Okamura Contessa II5 mentionsHumanscale Diffrient World5 mentions
Questions
What do owners mention most?
Comfort for the Okamura Contessa II, and comfort for the Humanscale Diffrient World, based on review summaries.
Okamura Contessa II: specs, reviews, where to buy →Humanscale Diffrient World: specs, reviews, where to buy →
Swap in a similar chair
Compare Okamura Contessa II with
Compare Humanscale Diffrient World 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 Diffrient World vs Herman Miller Aeron Load capacity: up to 400 lbs on Humanscale Diffrient World; 300 / 350 / 400 lb on Herman Miller Aeron.
- Humanscale Diffrient World vs Steelcase Gesture Load capacity: up to 400 lbs on Humanscale Diffrient World; 400 lb on Steelcase Gesture.


