Seiko Cal. 5637 - 694

Seiko 5637-694

This Spring Drive model from 1997 features a 45mm Hardlex-Coated Steel case. With its 21mm lug width and 11.1mm profile, it sits comfortably on most wrists. [seikata-wm-467b57769c1a]

Also known as: Sumo, Pogue

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
45mm
Case Thickness
11.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1997

Related Models

seikata-wm-467b57769c1a