Seiko Cal. 7031 - 153

This Hand-Winding model from 1967 features a 39mm Two-Tone case. Powered by the 7031 caliber with 29j jewels beating at 28,800 bph, it delivers a 66 hours power reserve. [seikata-wm-f531081e5b51]

Also known as: World Timer, Flighty

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Cream

Jewels

29j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1967

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