Seiko Cal. 4428 - 291

The Seiko 4428-291 represents an important milestone in Seiko's 1970 lineup. With its 20mm lug width and 8.4mm profile, it sits comfortably on most wrists. [seikata-wm-be8ee50eac0e]

Also known as: Crown, Flighty

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

46mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

90m

Dial Color

Black

Jewels

17j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1970

Related Models

• Seiko 5679-375
• Seiko 6259-257
• Seiko 3817-466
• Seiko 4573-811
• Seiko 6290-574
• Seiko 6138-458
• Seiko 7126-324
• Seiko 7130-887
• Seiko 5665-832
• Seiko 4538-213
• Seiko 5281-970
• Seiko 4511-524