Seiko Cal. 5631 - 486

Seiko 5631-486

This Automatic model from 1967 features a 37mm PVD Black case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e43a606844c7]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
10.1mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Champagne
Jewels
29j
Frequency
21,600 bph
Power Reserve
52 hours
Year
1967

Related Models

seikata-wm-e43a606844c7