Seiko Cal. 6664 - 247

This Spring Drive model from 1980 features a 35mm Two-Tone case. It features a Burgundy dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-141ecbebf8b1]

Also known as: Silverwave

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

35mm

Case Thickness

15.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

140m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1980

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