Seiko Cal. 6641 - 585

The 6641-585 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-b3d6dc8f6e29]

Also known as: Goldfeather, Crown

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

40mm

Case Thickness

8.2mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Green

Jewels

33j

Frequency

36,000 bph

Power Reserve

53 hours

Year

1978

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