Seiko Cal. 4452 - 919

The Seiko 4452-919 represents an important milestone in Seiko's 1978 lineup. Powered by the 4452 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-d8266c0ca136]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1978

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