Click to inspect
The Seiko power design project collection 1 collection 1 Limited Edition features a stepped-case design that some owners find mesmerizing. One owner favors the golden-dial rectangular model but would prefer it without PVD. The collection includes three unisex bracelet models with stainless steel cases measuring 20.2 x 6.7 x 26.1mm, utilizing the 4N30 quartz caliber, with each being a limited edition of 500 units. On balance, owners appreciate the unique design elements of the Seiko power design project collection 1 collection 1 Limited Edition, with some specific aesthetic preferences noted.
3 Variants
Retail MSRP
—
Low
—
Avg
—
High
—
Static data
Case
20.2mm
Power Reserve
—
Movement
Quartz
Water Resistance
Splash Resistant
01
Case Dimensions
Diameter20.2mm
Thickness6.7mm
Lug-to-Lug26.1mm
Lug Width2mm
02
Case Build
MaterialStainless Steel
Water ResistanceSplash Resistant
03
Crystal & Dial
CrystalHardlex
04
Movement
05
Design Language
Dial styleSunburst
BezelFixed
Bracelet / strapIntegrated
HandsBaton
AI-detected from product image · 5/22/2026
In a nutshell
The Seiko Seiko power design project collection 1 collection 1 Limited Edition (ref. sseh021j) is a quartz dress watch, with a 20.2mm stainless steel case, 6.7mm thick, powered by the 4N30 movement. Water resistance is rated to Splash Resistant, under a hardlex crystal.