Seiko Cal. 5681 - 909

This Solar model from 1978 features a 41mm PVD Black case. Powered by the 5681 caliber with 19j jewels beating at 28,800 bph, it delivers a 36 hours power reserve. [seikata-wm-df28f40645dc]

Also known as: Helmet, Flighty

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

41mm

Case Thickness

8.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Silver

Jewels

19j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1978

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