Seiko Cal. 7012 - 186

The Seiko 7012-186 represents an important milestone in Seiko's 1978 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d00ab1939a0e]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

34mm

Case Thickness

12.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Green

Jewels

27j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1978

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