Seiko Cal. 7187 - 331

Seiko 7187-331

This Hand-Winding model from 1992 features a 41mm Gold-Plated case. Powered by the 7187 caliber with 36j jewels beating at 21,600 bph, it delivers a 62 hours power reserve. [seikata-wm-9312619ba228]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
13.1mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
190m
Dial Color
Green
Jewels
36j
Frequency
21,600 bph
Power Reserve
62 hours
Year
1992

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seikata-wm-9312619ba228