Seiko Cal. 4424 - 660

The Seiko 4424-660 represents an important milestone in Seiko's 1965 lineup. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-07668e0ec0c4]

Also known as: Navigator, Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

35mm

Case Thickness

12.2mm

Lug Width

22mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Black

Jewels

19j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1965

Related Models

• Seiko 6215-444
• Seiko 5631-146
• Seiko 7059-461
• Seiko 5233-820
• Seiko 6196-645
• Seiko 4523-215
• Seiko 7053-841
• Seiko 5243-797
• Seiko 6218-633
• Seiko 7046-100
• Seiko 7080-475
• Seiko 4488-532