Seiko Cal. 4556 - 910

This Automatic model from 1990 features a 43mm Titanium case. It features a Navy dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-6a3a5c3459cd]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

Navy

Jewels

20j

Frequency

21,600 bph

Power Reserve

71 hours

Year

1990

Related Models

• Seiko 4562-548
• Seiko 6612-348
• Seiko 4439-728
• Seiko 4532-791
• Seiko 7174-494
• Seiko 6284-469
• Seiko 6254-273
• Seiko 4492-120
• Seiko 7157-620
• Seiko 3882-957
• Seiko 6194-775
• Seiko 6678-594