Seiko Cal. 6645 - 631

Seiko 6645-631

This Spring Drive model from 1982 features a 38mm Stainless Steel case. With its 21mm lug width and 13.7mm profile, it sits comfortably on most wrists. [seikata-wm-1209b9dda670]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.7mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
60m
Dial Color
Silver
Jewels
18j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1982

Related Models

seikata-wm-1209b9dda670