Seiko Cal. 7066 - 121

The Seiko 7066-121 represents an important milestone in Seiko's 1971 lineup. Powered by the 7066 caliber with 25j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-2e2f1cdfd493]

Also known as: Helmet, Rally

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

150m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1971

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