Seiko Cal. 6317 - 109

The 6317-109 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6317 caliber with 34j jewels beating at 21,600 bph, it delivers a 48 hours power reserve. [seikata-wm-aecc6aaff5d7]

Also known as: Sumo, UFO

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

44mm

Case Thickness

13.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Burgundy

Jewels

34j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1965

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