Seiko Cal. 6681 - 870

This Spring Drive model from 1988 features a 34mm Hardlex-Coated Steel case. It features a Silver dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-6480c70a16ee]

Also known as: Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

12.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Silver

Jewels

19j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1988

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