Seiko Cal. 6690 - 669

Released in 1989, the Cal. 6690 with design code 669 was part of Seiko's domestic market collection. It features a Black dial protected by a Sapphire crystal and offers 100m of water resistance. [seikata-wm-76114d72b9aa]

Also known as: Rally, Emperor

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

12.8mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

25j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1989

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