Seiko Cal. 6639 - 609

The Seiko 6639-609 represents an important milestone in Seiko's 1975 lineup. The Fixed bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-a64f4ed5ef67]

Also known as: Silverwave

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

35mm

Case Thickness

10.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

50 hours

Year

1975

Related Models

• Seiko 6627-202
• Seiko 3898-499
• Seiko 6173-829
• Seiko 5250-641
• Seiko 4447-293
• Seiko 5690-269
• Seiko 3859-722
• Seiko 4436-608
• Seiko 5657-318
• Seiko 3841-437
• Seiko 3834-257
• Seiko 6283-239