Seiko Cal. 7121 - 686

The Seiko 7121-686 represents an important milestone in Seiko's 1976 lineup. Powered by the 7121 caliber with 23j jewels beating at 28,800 bph, it delivers a 46 hours power reserve. [seikata-wm-cd53240884ce]

Also known as: Sportsmatic

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

12.9mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Champagne

Jewels

23j

Frequency

28,800 bph

Power Reserve

46 hours

Year

1976

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