Seiko Cal. 5638 - 690

Seiko 5638-690

This Spring Drive model from 1975 features a 44mm Gold-Plated case. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-dd4c62e8a75c]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
8.6mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
20j
Frequency
36,000 bph
Power Reserve
42 hours
Year
1975

Related Models

seikata-wm-dd4c62e8a75c