Seiko Cal. 6649 - 742

Released in 1968, the Cal. 6649 with design code 742 was part of Seiko's domestic market collection. Powered by the 6649 caliber with 21j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-3355a6c06200]

Also known as: Bullhead, Emperor

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

21j

Frequency

28,800 bph

Power Reserve

62 hours

Year

1968

Related Models

• Seiko 5683-234
• Seiko 7027-226
• Seiko 6174-924
• Seiko 5624-959
• Seiko 7172-128
• Seiko 7086-236
• Seiko 4490-883
• Seiko 3851-741
• Seiko 4552-556
• Seiko 6122-478
• Seiko 6268-749
• Seiko 0736-806