Seiko Cal. 5649 - 647

The Seiko 5649-647 represents an important milestone in Seiko's 1991 lineup. Powered by the 5649 caliber with 21j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-a8ee97f3d984]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1991

Related Models

• Seiko 5614-110
• Seiko 4511-518
• Seiko 7086-626
• Seiko 4494-989
• Seiko 4411-179
• Seiko 5623-490
• Seiko 6353-169
• Seiko 7038-445
• Seiko 6294-646
• Seiko 0797-468
• Seiko 6117-709
• Seiko 4475-687