Seiko Cal. 6647 - 714

The Seiko 6647-714 represents an important milestone in Seiko's 1975 lineup. Powered by the 6647 caliber with 32j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-ab7b74bcdb86]

Also known as: Sportsmatic, Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Cream

Jewels

32j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1975

Related Models

• Seiko 3829-674
• Seiko 6136-272
• Seiko 5612-973
• Seiko 6686-579
• Seiko 6698-715
• Seiko 0797-728
• Seiko 4474-555
• Seiko 7198-191
• Seiko 5611-868
• Seiko 6217-315
• Seiko 5663-707
• Seiko 6116-867