Seiko Cal. 6690 - 181

The 6690-181 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-c76e2e34c284]

Also known as: Goldfeather, Bellmatic

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

36mm

Case Thickness

9.4mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

49 hours

Year

1969

Related Models

• Seiko 3874-832
• Seiko 7022-471
• Seiko 6127-142
• Seiko 5630-171
• Seiko 3878-833
• Seiko 5694-725
• Seiko 4593-531
• Seiko 4560-874
• Seiko 6234-917
• Seiko 6626-307
• Seiko 7012-152
• Seiko 5631-373