Seiko Cal. 6666 - 656

This Quartz model from 1971 features a 36mm Titanium case. Powered by the 6666 caliber with 21j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-f93eab1ee42e]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

36mm

Case Thickness

13.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

200m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1971

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