Seiko Cal. 7181 - 833

The Seiko 7181-833 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-197bd1a89ad0]

Also known as: UFO, Arnie

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

39mm

Case Thickness

15.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

180m

Dial Color

Navy

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1981

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