Seiko Cal. 4550 - 668

The Seiko 4550-668 represents an important milestone in Seiko's 1997 lineup. With its 18mm lug width and 14.7mm profile, it sits comfortably on most wrists. [seikata-wm-ead3ad95f481]

Also known as: Helmet, Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

120m

Dial Color

Burgundy

Jewels

33j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1997

Related Models

• Seiko 7181-545
• Seiko 0762-662
• Seiko 7084-484
• Seiko 4414-791
• Seiko 7032-372
• Seiko 6330-990
• Seiko 5271-209
• Seiko 6284-553
• Seiko 6287-154
• Seiko 3840-636
• Seiko 4560-655
• Seiko 7117-128