Seiko Cal. 7145 - 939

Seiko 7145-939

This Hand-Winding model from 1966 features a 41mm Titanium case. Powered by the 7145 caliber with 31j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-c0a3622f31d9]

Specifications

Movement
Hand-Winding
Case Material
Titanium
Case Width
41mm
Case Thickness
13.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Green
Jewels
31j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1966

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