Seiko Cal. 4431 - 759

Seiko 4431-759

This Spring Drive model from 1982 features a 41mm Gold-Plated case. Powered by the 4431 caliber with 32j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-ef4b7c854f97]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
41mm
Case Thickness
15.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
90m
Dial Color
Black
Jewels
32j
Frequency
36,000 bph
Power Reserve
71 hours
Year
1982

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