Seiko Cal. 6642 - 638

Seiko 6642-638

This Quartz model from 1972 features a 37mm Titanium case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-af2906c4cb8b]

Also known as: Golden Tuna

Specifications

Movement
Quartz
Case Material
Titanium
Case Width
37mm
Case Thickness
14.8mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
170m
Dial Color
Cream
Jewels
19j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1972

Related Models

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