Seiko Cal. 4557 - 947

This Kinetic model from 1972 features a 39mm Stainless Steel case. Powered by the 4557 caliber with 36j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-3d727e9d6706]

Also known as: Bellmatic, Sea Horse

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Silver

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1972

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