Seiko Cal. 7131 - 933

The Seiko 7131-933 represents an important milestone in Seiko's 1970 lineup. The Rotating bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-56cb47923feb]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1970

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