Humanscale Diffrient Smart vs Okamura Contessa II
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
- Ergonomic Mesh Back Office Chair | Diffrient Smart | Humanscale ↗Checked Sep 29, 2026
- Okamura Contessa II Spec Guide, Global (BIFMA, mm), January 2026 ↗Checked Sep 26, 2026
- Humanscale Diffrient Smart brochure ↗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
Humanscale Diffrient SmartOkamura Contessa II
- Price
- $1,987¥243,650 – ¥377,410
- Seat height
- 16.5” – 22.8”434–544 mm (17.1–21.4 in)
- Seat depth
- 16.25” - 18.75” seat depth adjustment range400–450 mm (15.7–17.7 in)
- Load capacity
- up to 400 lbs.300 lb (136 kg)
- Recline
- 18° recline + 8° backrest tiltAnkle-tilt reclining; recline angle 26°
- Arms
- Fixed Duron Arms / Adjustable Duron Arms / 4D Adj Duron Arms / Armless4D 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)
- Lumbar support
- Tri-panel Form-Sensing mesh adapts its lumbar support to each user (no manual lumbar adjustment)Optional lumbar support with 60 mm height adjustment (can be retrofitted) (2.4 in)
- Warranty
- 15-year, 24/7 warranty10 years: structural components, including mechanisms and adjustable arms; 5 years: casters, gas cylinder, adjustment levers; 2 years: coating finish, mesh and fabric, cushions, arm pads
What users mention
From 2 Humanscale Diffrient Smart and 2 Okamura Contessa II user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Humanscale Diffrient Smart3 mentionsOkamura Contessa II7 mentionsBreathability
Humanscale Diffrient Smart3 mentionsOkamura Contessa II7 mentionsBack support
Humanscale Diffrient Smart2 mentionsOkamura Contessa II7 mentionsSeat
Humanscale Diffrient Smart2 mentionsOkamura Contessa II7 mentionsAdjustability
Humanscale Diffrient Smart3 mentionsOkamura Contessa II5 mentionsPrice and value
Humanscale Diffrient Smart2 mentionsOkamura Contessa II6 mentions
Questions
What do owners mention most?
Comfort for the Humanscale Diffrient Smart, and comfort for the Okamura Contessa II, based on review summaries.
Humanscale Diffrient Smart: specs, reviews, where to buy →Okamura Contessa II: specs, reviews, where to buy →
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More comparisons
- Humanscale Diffrient Smart vs Herman Miller Aeron Load capacity: up to 400 lbs. on Humanscale Diffrient Smart; 300 / 350 / 400 lb on Herman Miller Aeron.
- Humanscale Diffrient Smart vs Steelcase Gesture Load capacity: up to 400 lbs. on Humanscale Diffrient Smart; 400 lb on Steelcase Gesture.
- 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.
