Seiko Cal. 7120 - 685

The Seiko 7120-685 represents an important milestone in Seiko's 1969 lineup. Powered by the 7120 caliber with 33j jewels beating at 28,800 bph, it delivers a 54 hours power reserve. [seikata-wm-135be2e0c9d0]

Also known as: Sumo

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Champagne

Jewels

33j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1969

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