Seiko Cal. 4556 - 446

This Automatic model from 1976 features a 38mm Hardlex-Coated Steel case. It features a Green dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-cf00c690a4d2]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

14.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

80m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1976

Related Models

• Seiko 6114-112
• Seiko 3881-231
• Seiko 5242-877
• Seiko 6185-291
• Seiko 5255-702
• Seiko 0738-984
• Seiko 6335-847
• Seiko 7127-776
• Seiko 6253-158
• Seiko 6651-117
• Seiko 4482-726
• Seiko 6651-216