Seiko Cal. 5681 - 615

This Solar model from 1979 features a 42mm Hardlex-Coated Steel case. Powered by the 5681 caliber with 21j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-c55d7e57bca1]

Also known as: Bullhead, Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1979

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