Seiko Cal. 5641 - 771

Seiko 5641-771

This Spring Drive model from 1980 features a 44mm Gold-Plated case. With its 22mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-9fbefe436d0a]

Also known as: Bellmatic

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
44mm
Case Thickness
13.6mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
150m
Dial Color
Burgundy
Jewels
22j
Frequency
21,600 bph
Power Reserve
64 hours
Year
1980

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seikata-wm-9fbefe436d0a