Seiko Cal. 7121 - 312

The Seiko 7121-312 represents an important milestone in Seiko's 1985 lineup. Powered by the 7121 caliber with 19j jewels beating at 36,000 bph, it delivers a 42 hours power reserve. [seikata-wm-2e18eddfb9e5]

Also known as: Sportsmatic, Emperor

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

11.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1985

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