Seiko Cal. 6121 - 990

The Seiko 6121-990 represents an important milestone in Seiko's 1974 lineup. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-555fd084a3cf]

Also known as: Samurai, Rally

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.4mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

23j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1974

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