Seiko Cal. 6664 - 371

The 6664-371 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-54594cc5135e]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

37mm

Case Thickness

10.0mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Burgundy

Jewels

20j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1985

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