Seiko Cal. 4552 - 313

This Solar model from 1981 features a 44mm Hardlex-Coated Steel case. Powered by the 4552 caliber with 17j jewels beating at 36,000 bph, it delivers a 63 hours power reserve. [seikata-wm-7db9634ef67e]

Also known as: Helmet, Bellmatic

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

17j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1981

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