Seiko Cal. 6160 - 291

The 6160-291 is a sought-after Hand-Winding piece from Seiko's golden era. Powered by the 6160 caliber with 20j jewels beating at 28,800 bph, it delivers a 49 hours power reserve. [seikata-wm-4cdf705498be]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

37mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

20j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1969

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