Seiko Cal. 3872 - 138

Seiko 3872-138

This Spring Drive model from 1983 features a 46mm Hardlex-Coated Steel case. With its 20mm lug width and 13.9mm profile, it sits comfortably on most wrists. [seikata-wm-ef1b1d464f7d]

Also known as: Samurai, Monster

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
13.9mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
70m
Dial Color
Silver
Jewels
23j
Frequency
36,000 bph
Power Reserve
50 hours
Year
1983

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