Seiko Cal. 4550 - 608

The Seiko 4550-608 represents an important milestone in Seiko's 1991 lineup. It features a Blue Sunburst dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-6549cfca6ff7]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

13.7mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

Blue Sunburst

Jewels

28j

Frequency

36,000 bph

Power Reserve

41 hours

Year

1991

Related Models

• Seiko 3887-508
• Seiko 5610-839
• Seiko 6259-838
• Seiko 6127-338
• Seiko 6644-568
• Seiko 7190-224
• Seiko 7199-884
• Seiko 4466-316
• Seiko 5224-200
• Seiko 6172-692
• Seiko 5221-188
• Seiko 6347-995