Seiko Cal. 6181 - 138

Released in 1985, the Cal. 6181 with design code 138 was part of Seiko's domestic market collection. With its 22mm lug width and 9.0mm profile, it sits comfortably on most wrists. [seikata-wm-f4ea0ab0c8f1]

Also known as: UFO

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

White

Jewels

22j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1985

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