Seiko Cal. 6638 - 773

Seiko 6638-773

This Hand-Winding model from 1966 features a 35mm Hardlex-Coated Steel case. With its 19mm lug width and 8.5mm profile, it sits comfortably on most wrists. [seikata-wm-e4f178132d87]

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
8.5mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
180m
Dial Color
Black
Jewels
26j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1966

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seikata-wm-e4f178132d87