Seiko Cal. 6131 - 731

The 6131-731 is a sought-after Quartz piece from Seiko's golden era. With its 19mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-5c907b5311b8]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1985

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