Seiko Cal. 7131 - 151

The Seiko 7131-151 represents an important milestone in Seiko's 1973 lineup. The Fixed bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-c43513e1b474]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

41mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

200m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1973

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