Seiko Cal. 6668 - 868

This Spring Drive model from 1997 features a 40mm Hardlex-Coated Steel case. It features a Green dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-9de7d55adcc7]

Also known as: Tuna, Crown

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

40mm

Case Thickness

15.8mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Green

Jewels

22j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1997

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