Seiko Cal. 3871 - 989

Seiko 3871-989

This Hand-Winding model from 1968 features a 41mm PVD Black case. With its 22mm lug width and 15.5mm profile, it sits comfortably on most wrists. [seikata-wm-9500dddb1199]

Also known as: Sumo, World Timer

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
41mm
Case Thickness
15.5mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
30m
Dial Color
Silver
Jewels
17j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1968

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seikata-wm-9500dddb1199