Seiko Cal. 7031 - 669

Seiko 7031-669

This Hand-Winding model from 1990 features a 39mm Gold-Plated case. Powered by the 7031 caliber with 21j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-1ad20ded4a31]

Specifications

Movement
Hand-Winding
Case Material
Gold-Plated
Case Width
39mm
Case Thickness
15.7mm
Lug Width
19mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
190m
Dial Color
Silver
Jewels
21j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1990

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seikata-wm-1ad20ded4a31