Seiko Cal. 5691 - 811

The 5691-811 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5691 caliber with 26j jewels beating at 21,600 bph, it delivers a 56 hours power reserve. [seikata-wm-3d7769f84543]

Also known as: Bullhead

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

43mm

Case Thickness

13.8mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

50m

Dial Color

Burgundy

Jewels

26j

Frequency

21,600 bph

Power Reserve

56 hours

Year

1982

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