Seiko Cal. 5681 - 302

This Spring Drive model from 1989 features a 34mm Hardlex-Coated Steel case. It features a Navy dial protected by a Hardlex crystal and offers 30m of water resistance. [seikata-wm-756af140fd94]

Also known as: Tuna, Arnie

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

31j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1989

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