Seiko Cal. 6681 - 603

The 6681-603 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-94e584f2b925]

Also known as: Samurai, Sumo

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

8.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1965

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