Seiko Cal. 4451 - 726

The Seiko 4451-726 represents an important milestone in Seiko's 1966 lineup. It features a Blue Sunburst dial protected by a Mineral crystal and offers 40m of water resistance. [seikata-wm-3b0153dafcc2]

Also known as: Bullhead, Sportsmatic

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

36,000 bph

Power Reserve

36 hours

Year

1966

Related Models

• Seiko 6334-494
• Seiko 6329-980
• Seiko 4485-387
• Seiko 7142-670
• Seiko 5268-564
• Seiko 5675-605
• Seiko 0752-354
• Seiko 6197-754
• Seiko 6280-586
• Seiko 4491-729
• Seiko 7116-839
• Seiko 7027-598