Seiko Cal. 6689 - 512

This Quartz model from 1969 features a 46mm Two-Tone case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 140m of water resistance. [seikata-wm-03b0a058394d]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

46mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

29j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1969

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