Seiko Cal. 7153 - 998

This Spring Drive model from 1983 features a 35mm PVD Black case. Powered by the 7153 caliber with 21j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-f5a07fb11726]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

9.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1983

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