Seiko Cal. 3866 - 691

The 3866-691 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 3866 caliber with 18j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-877c1d334289]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

35mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

130m

Dial Color

Burgundy

Jewels

18j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1970

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