Compared with other brands
SIHOO Doro C100-S Premium Ergonomic Chair vs Steelcase Series 1
Both chairs side by side, to help you choose the one that fits how you work.
| Feature |  SIHOO Doro C100-S Premium Ergonomic Chair | Steelcase Series 1* |
|---|---|---|
| Price | ฿12,900 – ฿13,900 | ฿11,500 |
| Back support | Mechanical (no power) — Automatic Domino | Mechanical (no power) — Adjustable lumbar support + FlexCorners backrest covered in microknit |
| Needs charging | No | No |
| Recline | See product page | No data |
| Maximum load | See product page | 136 kg |
| User height | See product page | No data |
| Warranty | See product page | 12 years |
| Try in a showroom | Showroom try-outs | Showroom try-outs |
Steelcase Series 1: Sold in Thailand by Modernform at store.modernform.co.th and Modernform showrooms · Midback version, regular price 16,500 baht · 12-year warranty · synchronised tilt with 3 lock positions and automatic weight adjustment
* Steelcase Series 1 data as of 2 November 2026 from store.modernform.co.th. Prices and specifications may change; please check with the seller.
SIHOO data comes from the product page and verified specifications. "See product page" marks a value still being confirmed.
Which one suits whom
The Steelcase Series 1 suits people who value a global office-furniture brand and a very long warranty (12 years), a tilt that adjusts to the sitter automatically, and buying from a Modernform showroom.
The SIHOO Doro C100-S suits people who want everything in one chair: lumbar support that follows the back automatically (Domino), a headrest, a sliding seat and 4D armrests, with no add-ons to buy.
What the SIHOO Doro C100-S Premium Ergonomic Chair offers
- Try it in a showroom before you decide
- 0% instalments with a card for up to 6 months (about ฿2,150/month)
- Mechanical adjustment, nothing to charge
- Price ฿12,900 – ฿13,900
Frequently asked questions
How does the Steelcase Series 1 differ from the SIHOO Doro C100-S Premium Ergonomic Chair?
The Steelcase Series 1 uses mechanical back support, while the SIHOO Doro C100-S Premium Ergonomic Chair uses mechanical support. Price, warranty and specifications are compared in the table above.
Does the SIHOO Doro C100-S Premium Ergonomic Chair need charging?
No. The SIHOO Doro C100-S Premium Ergonomic Chair adjusts mechanically, so there is nothing to charge.
Can I try the SIHOO Doro C100-S Premium Ergonomic Chair before buying?
Yes. Book a time to try it at a SIHOO showroom on the showroom visit page.
Can I pay for the SIHOO Doro C100-S Premium Ergonomic Chair in 0% instalments?
Yes. 0% instalments with a card for up to 6 months, about ฿2,150/month.
Where does the Steelcase Series 1 data on this page come from?
From store.modernform.co.th, checked on 2 November 2026. Prices and specifications may have changed since; please check with the seller.