Seiko Cal. 7053 - 728

This Spring Drive model from 1976 features a 46mm PVD Black case. Powered by the 7053 caliber with 24j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-41cda3990b3e]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Cream

Jewels

24j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1976

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