Itoki ACT2 vs Steelcase Series 1

Side by side from official specifications, sourced prices and User Insights. No written comparison exists for this pair yet.

Itoki

Itoki ACT2

¥132,240

≈ $830

Steelcase

Steelcase Series 1

$549 – $750

Differences at a glance

Itoki ACT2Steelcase Series 1

Price: ¥132,240$549 – $750
Seat height: 450–565 mm (17.7-22.2 in)16.5–21.5 in (41.9-54.6 cm); 14.75–17.75 in (37.5-45.1 cm); 17.25–22 in (43.8-55.9 cm)
Recline: 20°Weight-activated synchro tilt; comfort dial with upright back lock, boost setting and weight-activated full recline
Arms: Adjustable arms (4D link arms): height, depth, rotation angle4D arms (standard), height-adjustable arms or armless
Headrest: Adjustable head support: 60 mm height, 30° front-backOptional headrest; adjusts 3.25" vertically
Lumbar support: Pelvis & lumbar support: 60 mm, 7 stepsAdjustable lumbar is standard; fixed lumbar is available (3D Microknit Back only)
Warranty: Structure 3 years (mechanisms and moving parts 2 years, exterior and surface finish 1 year)Limited Lifetime Warranty; 12-year, multi-shift, 24/7 parts and labor

From 6 Itoki ACT2 and 5 Steelcase Series 1 user reviews, most mentioned first. Green is liked, orange is a caution.

Which has a headrest?

Both: the Itoki ACT2 as standard and the Steelcase Series 1 as an option.

What do owners mention most?

Design for the Itoki ACT2, and adjustability for the Steelcase Series 1, based on review summaries.