Seiko Cal. 5656 - 811

The 5656-811 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5656 caliber with 17j jewels beating at 36,000 bph, it delivers a 60 hours power reserve. [seikata-wm-2d5bc45039cd]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Green

Jewels

17j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

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