Seiko Cal. 7121 - 454

The Seiko 7121-454 represents an important milestone in Seiko's 1980 lineup. Powered by the 7121 caliber with 21j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-0f1f36e94285]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Burgundy

Jewels

21j

Frequency

28,800 bph

Power Reserve

44 hours

Year

1980

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