Seiko Cal. 5676 - 904

Seiko 5676-904

This Spring Drive model from 1977 features a 34mm PVD Black case. Powered by the 5676 caliber with 36j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-8b76794b176f]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
10.1mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
36j
Frequency
28,800 bph
Power Reserve
47 hours
Year
1977

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