Seiko Cal. 0731 - 746

Seiko 0731-746

This Hand-Winding model from 1981 features a 36mm PVD Black case. Powered by the 0731 caliber with 32j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-2a19241352f1]

Specifications

Movement
Hand-Winding
Case Material
PVD Black
Case Width
36mm
Case Thickness
10.3mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
120m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1981

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seikata-wm-2a19241352f1