Seiko Cal. 5691 - 370

The 5691-370 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 5691 caliber with 17j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-08d21a51ac5f]

Also known as: Shogun, UFO

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

41mm

Case Thickness

11.4mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

17j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1994

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