Seiko Cal. 5681 - 541

This Solar model from 1971 features a 39mm Titanium case. Powered by the 5681 caliber with 26j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-3ce03277aced]

Also known as: Turtle, Arnie

Specifications

Movement

Solar

Case Material

Titanium

Case Width

39mm

Case Thickness

13.4mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

50m

Dial Color

Cream

Jewels

26j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1971

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