Seiko Cal. 6664 - 787

The Seiko 6664-787 represents an important milestone in Seiko's 1988 lineup. It features a Black dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-99b532605b31]

Also known as: Samurai, Bullhead

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Black

Jewels

27j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1988

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