Seiko Cal. 5638 - 638

Seiko 5638-638

This Hand-Winding model from 1974 features a 35mm PVD Black case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-7af368a5bdf2]

Also known as: Navigator

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
35mm
Case Thickness
9.6mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
60m
Dial Color
Burgundy
Jewels
18j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1974

Related Models

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