Seiko Cal. 6666 - 861

The 6666-861 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6666 caliber with 21j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-6c524776e461]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

42mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1982

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