Seiko Cal. 6664 - 178

The Seiko 6664-178 represents an important milestone in Seiko's 1986 lineup. It features a Champagne dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-6e1a9a0b5bcd]

Also known as: Monster

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

37mm

Case Thickness

8.0mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Champagne

Jewels

18j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1986

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