Seiko Cal. 4487 - 771

This Solar model from 1983 features a 42mm Gold-Plated case. Powered by the 4487 caliber with 20j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-eeea407a70ab]

Also known as: Silverwave

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

15.4mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Navy

Jewels

20j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1983

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