Seiko Cal. 6664 - 343

This Solar model from 1994 features a 42mm Stainless Steel case. Powered by the 6664 caliber with 21j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-7a6bce98afb6]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

21j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1994

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