Seiko Cal. 6690 - 520

The Seiko 6690-520 represents an important milestone in Seiko's 1984 lineup. It features a Black dial protected by a Acrylic crystal and offers 120m of water resistance. [seikata-wm-9ad9b1841c68]

Also known as: UFO, Arnie

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

15.8mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

120m

Dial Color

Black

Jewels

34j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1984

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