Seiko Cal. 6638 - 679

Seiko 6638-679

This Solar model from 1974 features a 38mm PVD Black case. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-7a2d598354b3]

Also known as: Turtle, Sumo

Specifications

Movement
Solar
Case Material
PVD Black
Case Width
38mm
Case Thickness
13.2mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
150m
Dial Color
White
Jewels
20j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1974

Related Models

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