Seiko Cal. 0731 - 444

Seiko 0731-444

This Automatic model from 1966 features a 35mm Gold-Plated case. Powered by the 0731 caliber with 22j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-20030283ea2a]

Also known as: Sportsmatic

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
35mm
Case Thickness
14.5mm
Lug Width
22mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
100m
Dial Color
Cream
Jewels
22j
Frequency
21,600 bph
Power Reserve
65 hours
Year
1966

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