Seiko Cal. 6631 - 659

The 6631-659 is a sought-after Quartz piece from Seiko's golden era. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-050fab79de69]

Also known as: Panda

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

39mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

70m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1968

Related Models

• Seiko 6358-724
• Seiko 5264-169
• Seiko 7028-258
• Seiko 5621-935
• Seiko 6362-979
• Seiko 7082-997
• Seiko 7162-229
• Seiko 6666-721
• Seiko 4484-319
• Seiko 0764-449
• Seiko 5683-726
• Seiko 7038-333