Seiko Cal. 3816 - 139

This Solar model from 1990 features a 37mm PVD Black case. Powered by the 3816 caliber with 24j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-6969290de2f5]

Also known as: Sportsmatic

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

24j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1990

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