Seiko Cal. 3887 - 331

Seiko 3887-331

This Hand-Winding model from 1969 features a 44mm Titanium case. With its 18mm lug width and 15.7mm profile, it sits comfortably on most wrists. [seikata-wm-20d57a9db31a]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
44mm
Case Thickness
15.7mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Green
Jewels
28j
Frequency
36,000 bph
Power Reserve
69 hours
Year
1969

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seikata-wm-20d57a9db31a