Seiko Cal. 4576 - 672

The Seiko 4576-672 represents an important milestone in Seiko's 1968 lineup. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-223031c2feb6]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Two-Tone

Case Width

39mm

Case Thickness

12.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

36,000 bph

Power Reserve

43 hours

Year

1968

Related Models

• Seiko 3838-541
• Seiko 6176-486
• Seiko 6678-916
• Seiko 6142-378
• Seiko 4549-754
• Seiko 6639-756
• Seiko 0746-155
• Seiko 7083-533
• Seiko 6654-375
• Seiko 6141-163
• Seiko 6690-756
• Seiko 6156-194