Seiko Cal. 7031 - 314

The 7031-314 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 7031 caliber with 21j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-a6c139660924]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

60m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1970

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