Seiko Cal. 5677 - 603

The Seiko 5677-603 represents an important milestone in Seiko's 1979 lineup. With its 20mm lug width and 8.9mm profile, it sits comfortably on most wrists. [seikata-wm-bd1fed64aee2]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

8.9mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Black

Jewels

34j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1979

Related Models

• Seiko 0756-224
• Seiko 7087-959
• Seiko 0719-967
• Seiko 7059-371
• Seiko 7024-690
• Seiko 5253-660
• Seiko 7030-145
• Seiko 6658-805
• Seiko 7077-123
• Seiko 7168-950
• Seiko 5637-727
• Seiko 4423-302