Seiko Cal. 6639 - 165

The Seiko 6639-165 represents an important milestone in Seiko's 1979 lineup. It features a Cream dial protected by a Acrylic crystal and offers 190m of water resistance. [seikata-wm-e0d179642dbb]

Also known as: Sea Horse, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

10.7mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

190m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1979

Related Models

• Seiko 5676-355
• Seiko 5675-650
• Seiko 5291-844
• Seiko 5250-954
• Seiko 4445-735
• Seiko 4410-874
• Seiko 0728-204
• Seiko 6195-345
• Seiko 7085-421
• Seiko 6139-603
• Seiko 6662-456
• Seiko 4488-436