Seiko Cal. 6646 - 133

The 6646-133 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-a5d9ac8c2a30]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.6mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

31j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1987

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