Seiko Cal. 7181 - 939

The Seiko 7181-939 represents an important milestone in Seiko's 1971 lineup. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-794851c7c934]

Also known as: UFO, Sea Horse

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

10.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

37 hours

Year

1971

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