Seiko Cal. 7040 - 725

This Spring Drive model from 1973 features a 34mm Hardlex-Coated Steel case. Powered by the 7040 caliber with 36j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-059d93b43086]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

13.2mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Cream

Jewels

36j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1973

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