Seiko Cal. 6631 - 847

Seiko 6631-847

This Hand-Winding model from 1979 features a 36mm Hardlex-Coated Steel case. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-2a45750279f6]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
36mm
Case Thickness
10.1mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
160m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
70 hours
Year
1979

Related Models

seikata-wm-2a45750279f6