Seiko Cal. 4512 - 165

Seiko 4512-165

This Spring Drive model from 1977 features a 43mm Gold-Plated case. Powered by the 4512 caliber with 20j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-60fcd869dbbd]

Also known as: Helmet, Flighty

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
12.3mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Black
Jewels
20j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1977

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