Seiko Cal. 5631 - 123

Seiko 5631-123

This Quartz model from 1979 features a 45mm Stainless Steel case. With its 22mm lug width and 14.4mm profile, it sits comfortably on most wrists. [seikata-wm-d03546487008]

Also known as: Silverwave, Baby Tuna

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
45mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
200m
Dial Color
Burgundy
Jewels
21j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1979

Related Models

seikata-wm-d03546487008