Seiko Cal. 4428 - 381

The Seiko 4428-381 represents an important milestone in Seiko's 1980 lineup. The Coin-Edge bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-480bb13805a3]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

35mm

Case Thickness

15.2mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Burgundy

Jewels

17j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1980

Related Models

• Seiko 0733-615
• Seiko 7070-200
• Seiko 5241-591
• Seiko 7046-393
• Seiko 6373-136
• Seiko 4475-262
• Seiko 5662-741
• Seiko 3835-503
• Seiko 6361-476
• Seiko 6171-104
• Seiko 5681-611
• Seiko 5235-723