Seiko Cal. 6690 - 390

This Quartz model from 1986 features a 35mm Titanium case. The Bidirectional bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-260396f2ce3f]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

12.5mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

160m

Dial Color

Green

Jewels

36j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1986

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