Seiko Cal. 6690 - 176

This Spring Drive model from 1990 features a 46mm Two-Tone case. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-5c616ab694ec]

Also known as: Tuna, Navigator

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

46mm

Case Thickness

15.9mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

23j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1990

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