Seiko Cal. 4558 - 724

This Automatic model from 1979 features a 40mm Stainless Steel case. Powered by the 4558 caliber with 25j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-c3ae3cf436ff]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Silver

Jewels

25j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1979

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