Seiko Cal. 6664 - 937

The Seiko 6664-937 represents an important milestone in Seiko's 1989 lineup. It features a Black dial protected by a Hardlex crystal and offers 190m of water resistance. [seikata-wm-6d878a8cbf32]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Black

Jewels

25j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1989

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