Seiko Cal. 6660 - 922

The Seiko 6660-922 represents an important milestone in Seiko's 1968 lineup. Powered by the 6660 caliber with 21j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-745a9054743f]

Also known as: Bellmatic

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

8.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

21j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1968

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