Seiko Cal. 6635 - 921

Seiko 6635-921

This Hand-Winding model from 1976 features a 42mm Two-Tone case. The Fixed bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-b96b9d563e2b]

Also known as: Golden Tuna

Specifications

Movement
Hand-Winding
Case Material
Two-Tone
Case Width
42mm
Case Thickness
15.2mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
70m
Dial Color
Silver
Jewels
34j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1976

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