Comparison

Seiko HHK001 vs Seiko SSEH021J

Sourced specs side by side. A value is highlighted only where one is objectively greater (power reserve); size and the rest are a matter of taste. unknown means no sourced value yet.

Seiko

HHK001

HHK001

Seiko

SSEH021J

SSEH021J

At a glance

  • Both belong to the Seiko power design project family.
  • Both use a quartz movement.
  • Seiko HHK001 is 22.8 mm larger (43 mm vs 20.2 mm).
Specifications of Seiko HHK001 vs Seiko SSEH021J
Spec HHK001 SSEH021J
Brand Seiko Seiko
Family power design project power design project
Reference HHK001 SSEH021J
Production start unknown unknown
Production end unknown unknown
Status Current Current
Retail price unknown unknown
Case material unknown Stainless steel
Diameter 43 mm 20.2 mm
Seiko HHK001 is 22.8 mm larger
Movement Quartz Quartz
Caliber unknown unknown

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