Seiko Cal. 0731 - 675

Seiko 0731-675

This Automatic model from 1969 features a 35mm PVD Black case. Powered by the 0731 caliber with 21j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-50a062963ff5]

Also known as: Turtle, Helmet

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
35mm
Case Thickness
13.3mm
Lug Width
19mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
21j
Frequency
28,800 bph
Power Reserve
41 hours
Year
1969

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seikata-wm-50a062963ff5