Seiko Cal. 6646 - 866

The 6646-866 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 90m of water resistance. [seikata-wm-b9d119ebeffb]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

45mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

33j

Frequency

36,000 bph

Power Reserve

45 hours

Year

1976

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