Seiko Cal. 5631 - 328

Seiko 5631-328

This Quartz model from 1970 features a 46mm Hardlex-Coated Steel case. The Inner Rotating bezel and 46mm case give it a distinctive presence on the wrist. [seikata-wm-02d382787b69]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
13.6mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Burgundy
Jewels
28j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1970

Related Models

seikata-wm-02d382787b69