Seiko Cal. 6639 - 564

The Seiko 6639-564 represents an important milestone in Seiko's 1971 lineup. It features a Burgundy dial protected by a Hardlex crystal and offers 40m of water resistance. [seikata-wm-0f463a59146f]

Also known as: Emperor, Arnie

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

35mm

Case Thickness

8.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

40m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

39 hours

Year

1971

Related Models

• Seiko 4541-724
• Seiko 4411-584
• Seiko 7173-849
• Seiko 7120-661
• Seiko 6662-626
• Seiko 6254-502
• Seiko 7114-770
• Seiko 4475-171
• Seiko 4563-326
• Seiko 4551-133
• Seiko 4546-792
• Seiko 7142-936