Seiko Cal. 5631 - 456

Seiko 5631-456

This Hand-Winding model from 1978 features a 35mm Two-Tone case. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-c5428eb899a3]

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
35mm
Case Thickness
14.9mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
80m
Dial Color
Champagne
Jewels
36j
Frequency
21,600 bph
Power Reserve
69 hours
Year
1978

Related Models

seikata-wm-c5428eb899a3