Seiko Cal. 6181 - 647

The Seiko 6181-647 represents an important milestone in Seiko's 1998 lineup. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-d41caded8019]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

10.4mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1998

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