Seiko Cal. 6390 - 707

This Spring Drive model from 1996 features a 37mm Titanium case. Powered by the 6390 caliber with 24j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-b1208c8ab36e]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

37mm

Case Thickness

10.6mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1996

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