Seiko Cal. 6664 - 933

The Seiko 6664-933 represents an important milestone in Seiko's 1997 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-e8c054ab3b65]

Also known as: Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

42 hours

Year

1997

Related Models

• Seiko 5673-841
• Seiko 6630-141
• Seiko 7151-816
• Seiko 4453-878
• Seiko 4590-796
• Seiko 4562-540
• Seiko 7187-802
• Seiko 6252-882
• Seiko 6319-393
• Seiko 0769-717
• Seiko 3823-634
• Seiko 5294-774