Seiko Cal. 3860 - 537

Seiko 3860-537

This Automatic model from 1968 features a 37mm PVD Black case. With its 22mm lug width and 9.3mm profile, it sits comfortably on most wrists. [seikata-wm-73c5ce26581a]

Also known as: Samurai, World Timer

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
37mm
Case Thickness
9.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
22j
Frequency
28,800 bph
Power Reserve
48 hours
Year
1968

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