Seiko Cal. 0745 - 420

Seiko 0745-420

This Spring Drive model from 1981 features a 40mm Hardlex-Coated Steel case. Powered by the 0745 caliber with 18j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-9100b24ddb87]

Also known as: Monster

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
40mm
Case Thickness
9.5mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
21,600 bph
Power Reserve
40 hours
Year
1981

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seikata-wm-9100b24ddb87