Seiko Cal. 7131 - 540

This Quartz model from 1994 features a 35mm Two-Tone case. With its 19mm lug width and 13.6mm profile, it sits comfortably on most wrists. [seikata-wm-b36ebf46a22f]

Also known as: Helmet, UFO

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

35mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1994

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