Seiko Cal. 6690 - 463

The 6690-463 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6690 caliber with 36j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-d45c1b787143]

Also known as: Bullhead, Flighty

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

9.8mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Black

Jewels

36j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1969

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