Seiko Cal. 6668 - 256

This Spring Drive model from 1994 features a 44mm Hardlex-Coated Steel case. Powered by the 6668 caliber with 31j jewels beating at 36,000 bph, it delivers a 49 hours power reserve. [seikata-wm-d1cf83438611]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

44mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

Cream

Jewels

31j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1994

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