Seiko Cal. 7122 - 750

The Seiko 7122-750 represents an important milestone in Seiko's 1973 lineup. Powered by the 7122 caliber with 33j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-c73dde7a3a7f]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Cream

Jewels

33j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1973

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