Seiko Cal. 7112 - 287

Seiko 7112-287

This Spring Drive model from 1991 features a 45mm Titanium case. Powered by the 7112 caliber with 27j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-1b2e41ec5c22]

Also known as: Monster, Sumo

Specifications

Movement
Spring Drive
Case Material
Titanium
Case Width
45mm
Case Thickness
9.7mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Burgundy
Jewels
27j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1991

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