Seiko Cal. 4487 - 492

This Solar model from 1974 features a 43mm PVD Black case. Powered by the 4487 caliber with 29j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-f9dbb9c239eb]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

43mm

Case Thickness

12.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

90m

Dial Color

White

Jewels

29j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1974

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