Seiko Cal. 5691 - 769

The 5691-769 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5691 caliber with 24j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-9315fba96c1a]

Also known as: Sumo, World Timer

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

9.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Navy

Jewels

24j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1971

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