Seiko Cal. 6649 - 834

The 6649-834 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6649 caliber with 28j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-54173a7ea4c9]

Also known as: Sportsmatic, Flighty

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

37mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

170m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1980

Related Models

• Seiko 3875-744
• Seiko 6239-429
• Seiko 6165-293
• Seiko 0739-860
• Seiko 4497-983
• Seiko 0741-861
• Seiko 4570-144
• Seiko 4479-633
• Seiko 3882-689
• Seiko 7029-866
• Seiko 6157-479
• Seiko 5240-215