Seiko Cal. 5681 - 442

This Spring Drive model from 1967 features a 42mm Titanium case. Powered by the 5681 caliber with 24j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-210bd7034bee]

Also known as: Arnie

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

42mm

Case Thickness

11.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

White

Jewels

24j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1967

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