Seiko Cal. 5639 - 840

Seiko 5639-840

This Spring Drive model from 1986 features a 45mm PVD Black case. With its 22mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-acc710e3da36]

Also known as: Bullhead, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
45mm
Case Thickness
14.6mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Silver
Jewels
22j
Frequency
36,000 bph
Power Reserve
63 hours
Year
1986

Related Models

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