Seiko Cal. 7155 - 474

This Spring Drive model from 1973 features a 37mm Hardlex-Coated Steel case. Powered by the 7155 caliber with 23j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-3153c78b355b]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

23j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1973

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