Seiko Cal. 4440 - 720

The Seiko 4440-720 represents an important milestone in Seiko's 1982 lineup. The Coin-Edge bezel and 45mm case give it a distinctive presence on the wrist. [seikata-wm-1da5ddb036f2]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

45mm

Case Thickness

15.7mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

90m

Dial Color

Blue Sunburst

Jewels

19j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1982

Related Models

• Seiko 7081-284
• Seiko 4577-863
• Seiko 3841-581
• Seiko 7087-405
• Seiko 6188-333
• Seiko 0768-266
• Seiko 5222-793
• Seiko 5280-542
• Seiko 7117-340
• Seiko 4561-422
• Seiko 5253-519
• Seiko 5610-750