Seiko Cal. 4534 - 476

This Spring Drive model from 1972 features a 45mm PVD Black case. Powered by the 4534 caliber with 25j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-a8febb7326a5]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

13.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1972

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