Seiko Cal. 6393 - 690

Released in 1986, the Cal. 6393 with design code 690 was part of Seiko's domestic market collection. The Coin-Edge bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-381ae1df3320]

Also known as: UFO, Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

36mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

70m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1986

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