Seiko Cal. 6131 - 394

The Seiko 6131-394 represents an important milestone in Seiko's 1979 lineup. The Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-68542b7182a5]

Also known as: UFO, Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.0mm

Lug Width

18mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

40m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1979

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