Seiko Cal. 6656 - 888

This Quartz model from 1970 features a 43mm Hardlex-Coated Steel case. Powered by the 6656 caliber with 19j jewels beating at 21,600 bph, it delivers a 53 hours power reserve. [seikata-wm-ea0299e80b3a]

Also known as: Tuna, Helmet

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

30m

Dial Color

Cream

Jewels

19j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1970

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