Seiko Cal. 4437 - 487

This Solar model from 1972 features a 36mm Gold-Plated case. Powered by the 4437 caliber with 30j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-47c81bf6e26a]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Cream

Jewels

30j

Frequency

36,000 bph

Power Reserve

54 hours

Year

1972

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