Seiko Cal. 4555 - 521

The Seiko 4555-521 represents an important milestone in Seiko's 1974 lineup. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-6d311ec42d11]

Also known as: Bullhead

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.6mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Champagne

Jewels

27j

Frequency

36,000 bph

Power Reserve

51 hours

Year

1974

Related Models

• Seiko 7172-387
• Seiko 6374-240
• Seiko 4570-240
• Seiko 6634-203
• Seiko 6323-758
• Seiko 0757-553
• Seiko 5214-376
• Seiko 4528-659
• Seiko 6643-338
• Seiko 6236-820
• Seiko 7096-792
• Seiko 7011-567