Seiko Cal. 6391 - 298

The 6391-298 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6391 caliber with 31j jewels beating at 21,600 bph, it delivers a 39 hours power reserve. [seikata-wm-b03c9b59e832]

Also known as: UFO, World Timer

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

41mm

Case Thickness

11.8mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1991

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