Seiko Cal. 6663 - 766

Released in 1986, the Cal. 6663 with design code 766 was part of Seiko's domestic market collection. It features a Champagne dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-6bf5bb971a91]

Also known as: Bullhead, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

46mm

Case Thickness

15.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

100m

Dial Color

Champagne

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

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