Seiko Cal. 7121 - 717

The Seiko 7121-717 represents an important milestone in Seiko's 1985 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-a29617a853c0]

Also known as: Tuna, UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

34mm

Case Thickness

8.7mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1985

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