Seiko Cal. 4556 - 424

The Seiko 4556-424 represents an important milestone in Seiko's 1977 lineup. With its 22mm lug width and 10.3mm profile, it sits comfortably on most wrists. [seikata-wm-8908d3008921]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Green

Jewels

30j

Frequency

36,000 bph

Power Reserve

42 hours

Year

1977

Related Models

• Seiko 5678-795
• Seiko 6215-814
• Seiko 5615-777
• Seiko 4564-537
• Seiko 7075-916
• Seiko 5634-170
• Seiko 6351-163
• Seiko 7115-992
• Seiko 6165-427
• Seiko 6117-941
• Seiko 6110-861
• Seiko 3879-455