Seiko Cal. 0710 - 556

The Seiko 0710-556 represents an important milestone in Seiko's 1974 lineup. Powered by the 0710 caliber with 21j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-b5ffc6057488]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.8mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

21j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1974

Related Models

• Seiko 4584-316
• Seiko 5662-895
• Seiko 6275-285
• Seiko 4599-173
• Seiko 7154-356
• Seiko 6227-510
• Seiko 7016-425
• Seiko 4555-944
• Seiko 6288-903
• Seiko 6257-450
• Seiko 6386-575
• Seiko 5616-907