Seiko Cal. 6638 - 484

Seiko 6638-484

This Hand-Winding model from 1981 features a 35mm Titanium case. With its 20mm lug width and 8.8mm profile, it sits comfortably on most wrists. [seikata-wm-5234722becbf]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
35mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Green
Jewels
36j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1981

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