Seiko Cal. 7013 - 631

This Spring Drive model from 1968 features a 38mm Two-Tone case. Powered by the 7013 caliber with 31j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-aa3763855fea]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1968

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