Seiko Cal. 6628 - 642

Released in 1975, the Cal. 6628 with design code 642 was part of Seiko's domestic market collection. With its 22mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-0da235db212d]

Also known as: UFO, World Timer

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1975

Related Models

• Seiko 0720-125
• Seiko 3869-416
• Seiko 6133-387
• Seiko 4475-599
• Seiko 5293-753
• Seiko 6331-993
• Seiko 0796-452
• Seiko 0797-571
• Seiko 0763-304
• Seiko 6137-771
• Seiko 6610-278
• Seiko 7095-295