Seiko Cal. 6628 - 743

This Hand-Winding model from 1975 features a 45mm Hardlex-Coated Steel case. With its 19mm lug width and 15.2mm profile, it sits comfortably on most wrists. [seikata-wm-2db08a63d009]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

15.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

34j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1975

Related Models

• Seiko 4557-601
• Seiko 7072-578
• Seiko 0719-121
• Seiko 0718-690
• Seiko 4455-629
• Seiko 6699-467
• Seiko 6137-446
• Seiko 6674-771
• Seiko 6374-515
• Seiko 6293-427
• Seiko 6612-210
• Seiko 4414-827