Seiko Cal. 6690 - 513

The Seiko 6690-513 represents an important milestone in Seiko's 1982 lineup. It features a Black dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-5c7f85b3a43c]

Also known as: Samurai, Sumo

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1982

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