Okamura Contessa II vs Herman Miller Mirra 2: Which Should You Buy?
Compare documented configurations and purchase checks using manufacturer sources.
Herman Miller
Herman Miller Mirra 2
$1,365 – $1,915
50 lb
higher rated load for Herman Miller Mirra 2 than Okamura Contessa II (official specs)
Differences at a glance
Sources
- Okamura Contessa II Spec Guide, Global (BIFMA, mm), January 2026 ↗Checked Sep 26, 2026
- Mirra 2 Chair product sheet (PDF, © 2024 MillerKnoll) ↗Checked Sep 26, 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
- Mirra 2 Chair – Specs (hermanmiller.com) ↗Checked Sep 26, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
- US Herman Miller Store (price) ↗Checked Oct 11, 2026
- Price
- ¥243,650 – ¥377,410$1,365 – $1,915
- Seat height
- 434–544 mm (17.1–21.4 in)16–20.5 in standard; 14.75–19 in low; 16.75–22.25 in extended
- Seat depth
- 400–450 mm (15.7–17.7 in)16.25 in fixed; 16.25–18 in adjustable
- Load capacity
- 300 lb (136 kg)350 lb (159 kg)
- Recline
- Ankle-tilt reclining; recline angle 26°Harmonic 2 Tilt; options: Standard Tilt, Tilt Limiter, Tilt Limiter with Seat Angle
- 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)Options: No Arms, Fixed Arms, Fully Adjustable 4D Arms
- Lumbar support
- Optional lumbar support with 60 mm height adjustment (can be retrofitted) (2.4 in)PostureFit Sacral-Support Standard; Adjustable Lumbar-Support Optional
- 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-year, 3-shift warranty, with limited exceptions
What users mention
From 2 Okamura Contessa II and 18 Herman Miller Mirra 2 user reviews, most mentioned first. Green is liked, orange is a caution.
Comfort
Okamura Contessa II7 mentionsHerman Miller Mirra 217 mentionsBack support
Okamura Contessa II7 mentionsHerman Miller Mirra 216 mentionsSeat
Okamura Contessa II7 mentionsHerman Miller Mirra 213 mentionsBreathability
Okamura Contessa II7 mentionsHerman Miller Mirra 210 mentionsAdjustability
Okamura Contessa II5 mentionsHerman Miller Mirra 211 mentionsPrice and value
Okamura Contessa II6 mentionsHerman Miller Mirra 29 mentions
Questions
Which has a higher weight capacity?
The Herman Miller Mirra 2, rated for 350 lb versus 300 lb for the Okamura Contessa II.
What do owners mention most?
Comfort for the Okamura Contessa II, and comfort for the Herman Miller Mirra 2, based on review summaries.
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Identify the generation before comparing a new or used offer.
Read the Contessa II / Seconda guideRead the full comparison
Contessa II vs Mirra 2: choose the configuration first
Shortlist Contessa II if a factory-listed headrest option or upholstered seat matters. Shortlist Mirra 2 if you want to compare its back constructions and suspension seat. Neither shortlist establishes better comfort. This is a source-based comparison, not a hands-on comfort test.
Key differences
| Official specs | Okamura Contessa II | Herman Miller Mirra 2 |
|---|---|---|
| Sizes |
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| Seat height |
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| Seat depth |
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| Seat width |
| Not stated |
| Load capacity |
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| Recline |
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| Arms |
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| Lumbar support |
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| Headrest |
| Not stated |
| Warranty |
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| Chair weight | Not stated |
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Sources: Okamura Contessa II features and options and Mirra 2 manufacturer specifications. Availability varies by region and configuration.
A focused trial
On Mirra 2, check whether the chair being tested has FlexFront and the back type in your quote. Try the front edge at your working seat height before judging thigh clearance. On Contessa II, compare the intended seat material and any headrest rather than treating all configurations as equivalent.
Check foot support, clearance behind the knees and arm clearance under your desk. Repeat the checks after changing between upright and reclined positions. A standing-height cutoff or an aggregate rating cannot establish your fit.
What the evidence does not establish
This comparison does not demonstrate pain relief, improved circulation or correction of a medical condition. It also does not establish comparative cooling or long-term failure rates. We do not use isolated owner anecdotes to promise benefits or declare one model unreliable.
Compare the complete offer
Request the model, material, arm configuration, headrest, condition and delivery destination in writing. Include taxes, return freight and trial restrictions in the comparison. Confirm who handles warranty service in your country. There is no verified fixed price difference or warranty winner here.
For a used chair, inspect the actual adjustment mechanisms and seat condition. For a new chair, check that the configuration you tried matches the order. A cheaper listing with different equipment is not a like-for-like offer.
Continue your research
Frequently asked
- Does every Mirra 2 have adjustable seat depth?
- No. Herman Miller lists fixed-depth and FlexFront adjustable-depth options. Confirm the configuration before ordering.
- Which chair is better for taller users?
- Standing height alone does not establish a winner. Compare the exact seat dimensions, knee clearance, desk fit and any selected headrest in a trial.
- Is Mirra 2 cooler than Contessa II?
- The construction differs, but this comparison has not measured temperature or established a cooling winner. Test the actual seat and back materials in conditions close to your workspace.
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- 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.
- Herman Miller Mirra 2 vs Steelcase Gesture Load capacity: 350 lb on Herman Miller Mirra 2; 400 lb on Steelcase Gesture.
- Herman Miller Mirra 2 vs Steelcase Leap V2 Load capacity: 350 lb on Herman Miller Mirra 2; 400 lb on Steelcase Leap V2.