Seiko Cal. 7140 - 651

The Seiko 7140-651 represents an important milestone in Seiko's 1997 lineup. Powered by the 7140 caliber with 30j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-f48c720ecaef]

Also known as: Bullhead, World Timer

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

14.8mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Black

Jewels

30j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1997

Related Models

• Seiko 7164-361
• Seiko 4445-794
• Seiko 5616-282
• Seiko 4512-727
• Seiko 6263-292
• Seiko 5692-859
• Seiko 4540-604
• Seiko 6177-191
• Seiko 0753-341
• Seiko 6680-231
• Seiko 6654-255
• Seiko 6618-980