Okamura Contessa II vs SIHOO Doro C300 Pro
Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.
VS

SIHOO
SIHOO Doro C300 Pro
$789.99 – $839.99
30 lb
higher rated load for SIHOO Doro C300 Pro 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
- Sihoo Doro C300 Pro Ergonomic Office Chair Fully Loaded Comfort – EU Sihoo official Shop ↗Checked Oct 8, 2026
- Sihoo Doro C300 Pro Ergonomic Office Chair – Official US Sihoo Store ↗Checked Oct 8, 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
- Doro C300 Pro Ergonomic Office Chair | Adjustable Lumbar, 6D Armrests, Smart Recline – UK Sihoo official Shop ↗Checked Oct 8, 2026
- Okamura Global General Warranty Statement (excludes Japan) ↗Checked Sep 26, 2026
- OKAMURA Lifestyle Store (Japan) (price) ↗Checked Oct 11, 2026
Okamura Contessa IISIHOO Doro C300 Pro
- Price
- ¥243,650 – ¥377,410$789.99 – $839.99
- Seat height
- 434–544 mm (17.1–21.4 in)46–56.7 cm
- Seat depth
- 400–450 mm (15.7–17.7 in)16.81–17.76 in (≈ 42.7-45.1 cm)
- Load capacity
- 300 lb (136 kg)330 lb (≈ 150 kg)
- Recline
- Ankle-tilt reclining; recline angle 26°Maximum recline angle of 135°
- 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)6D coordinated armrests (up and down, left and right, front and back, inward and outward, with tilt-lock of armrests, and synchronized recline)
- Headrest
- Options: large fixed headrest or small adjustable headrest (up/down, front/back, swivel)Headrest adjusts up and down, back and forth, or rotates
- Lumbar support
- Optional lumbar support with 60 mm height adjustment (can be retrofitted) (2.4 in)Lumbar support automatically conforms to your spine (BM Tracking System)
- 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 pads3 years
Questions
Which has a higher weight capacity?
The SIHOO Doro C300 Pro, rated for 330 lb versus 300 lb for the Okamura Contessa II.
Which has a headrest?
Both: the Okamura Contessa II as an option and the SIHOO Doro C300 Pro as standard.
Okamura Contessa II: specs, reviews, where to buy →SIHOO Doro C300 Pro: specs, reviews, where to buy →
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