Seiko Cal. 4558 - 916

This Solar model from 1978 features a 39mm Stainless Steel case. Powered by the 4558 caliber with 36j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-d4fa05b28ab2]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

14.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

36j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1978

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