Seiko Cal. 6639 - 582

The 6639-582 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6639 caliber with 28j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-78a8b2faed69]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.7mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

28j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1998

Related Models

• Seiko 4439-639
• Seiko 0754-927
• Seiko 6215-273
• Seiko 6240-626
• Seiko 5629-884
• Seiko 6115-153
• Seiko 3832-206
• Seiko 6191-536
• Seiko 4439-177
• Seiko 5265-178
• Seiko 3850-709
• Seiko 4431-998