Seiko Cal. 7147 - 744

Seiko 7147-744

This Spring Drive model from 1969 features a 39mm Stainless Steel case. Powered by the 7147 caliber with 26j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-f6612db229ce]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
39mm
Case Thickness
9.3mm
Lug Width
19mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
26j
Frequency
21,600 bph
Power Reserve
46 hours
Year
1969

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