Seiko Cal. 6690 - 571

The 6690-571 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-b19eff4012bb]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

14.1mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Navy

Jewels

21j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1971

Related Models

• Seiko 6686-226
• Seiko 0775-227
• Seiko 4468-968
• Seiko 7012-868
• Seiko 4550-191
• Seiko 6276-911
• Seiko 4492-627
• Seiko 4431-869
• Seiko 5619-504
• Seiko 7179-787
• Seiko 7065-779
• Seiko 5618-980