Seiko Cal. 5638 - 933

Seiko 5638-933

This Automatic model from 1977 features a 37mm Gold-Plated case. The Fixed bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-a02e60b868c7]

Also known as: Monster

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
11.4mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
40m
Dial Color
Blue Sunburst
Jewels
36j
Frequency
36,000 bph
Power Reserve
37 hours
Year
1977

Related Models

seikata-wm-a02e60b868c7