Seiko Cal. 6155 - 877

Seiko 6155-877

This Spring Drive model from 1974 features a 38mm PVD Black case. Powered by the 6155 caliber with 35j jewels beating at 28,800 bph, it delivers a 60 hours power reserve. [seikata-wm-4e8c4872c679]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
38mm
Case Thickness
11.0mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Fixed
Water Resistance
30m
Dial Color
Navy
Jewels
35j
Frequency
28,800 bph
Power Reserve
60 hours
Year
1974

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