Seiko Cal. 4587 - 372

This Automatic model from 1978 features a 34mm Stainless Steel case. Powered by the 4587 caliber with 28j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-fe68e78cb8ad]

Also known as: Tuna, Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1978

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