Seiko Cal. 4488 - 840

This Solar model from 1979 features a 41mm Stainless Steel case. Powered by the 4488 caliber with 29j jewels beating at 28,800 bph, it delivers a 58 hours power reserve. [seikata-wm-d14ba471629e]

Also known as: Helmet

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

10.6mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

70m

Dial Color

Navy

Jewels

29j

Frequency

28,800 bph

Power Reserve

58 hours

Year

1979

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