Seiko Cal. 6664 - 646

The 6664-646 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Burgundy dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-138649f6424b]

Also known as: Rally, Arnie

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Burgundy

Jewels

29j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1977

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