Seiko Cal. 6639 - 347

The 6639-347 is a sought-after Solar piece from Seiko's golden era. With its 22mm lug width and 10.2mm profile, it sits comfortably on most wrists. [seikata-wm-fab562313dfa]

Also known as: UFO

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

69 hours

Year

1969

Related Models

• Seiko 6272-214
• Seiko 4455-637
• Seiko 7158-242
• Seiko 0720-297
• Seiko 6389-637
• Seiko 0788-348
• Seiko 5230-443
• Seiko 6690-768
• Seiko 3858-166
• Seiko 6696-573
• Seiko 7070-717
• Seiko 4413-969