Seiko Cal. 5612 - 818

The Seiko 5612-818 represents an important milestone in Seiko's 1988 lineup. The Bidirectional bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-818428ef4817]

Also known as: Sumo, Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

43mm

Case Thickness

12.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

30m

Dial Color

Green

Jewels

35j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1988

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