Seiko Cal. 7151 - 878

Seiko 7151-878

The Seiko 7151-878 represents an important milestone in Seiko's 1982 lineup. Powered by the 7151 caliber with 21j jewels beating at 36,000 bph, it delivers a 46 hours power reserve. [seikata-wm-afb2cf053056]

Also known as: Sumo, Bellmatic

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
11.7mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
40m
Dial Color
White
Jewels
21j
Frequency
36,000 bph
Power Reserve
46 hours
Year
1982

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