Seiko Cal. 4437 - 358

This Solar model from 1977 features a 37mm Gold-Plated case. Powered by the 4437 caliber with 24j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-1ce942e0653f]

Also known as: Helmet, UFO

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

50m

Dial Color

Silver

Jewels

24j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1977

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