Seiko Cal. 6648 - 912

Released in 1974, the Cal. 6648 with design code 912 was part of Seiko's domestic market collection. Powered by the 6648 caliber with 28j jewels beating at 36,000 bph, it delivers a 51 hours power reserve. [seikata-wm-9246f363d331]

Also known as: Shogun, Rally

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1974

Related Models

• Seiko 6216-298
• Seiko 6269-252
• Seiko 7137-155
• Seiko 5235-375
• Seiko 4427-903
• Seiko 7073-996
• Seiko 5218-542
• Seiko 7043-448
• Seiko 6228-747
• Seiko 6672-874
• Seiko 4598-879
• Seiko 4474-102