Seiko Cal. 7122 - 220

The Seiko 7122-220 represents an important milestone in Seiko's 1977 lineup. Powered by the 7122 caliber with 34j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-7bdfa8b39de2]

Also known as: UFO, Sea Horse

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

15.6mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

White

Jewels

34j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1977

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