Seiko Cal. 5681 - 442

The Seiko 5681-442 represents an important milestone in Seiko's 1968 lineup. It features a Navy dial protected by a Hardlex crystal and offers 130m of water resistance. [seikata-wm-37886e7b5772]

Also known as: Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

35mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1968

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