Seiko Cal. 6663 - 684

The 6663-684 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 60m of water resistance. [seikata-wm-c1af5fa069fe]

Also known as: Sumo, Emperor

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

38mm

Case Thickness

10.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Black

Jewels

20j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1989

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