Seiko Cal. 6623 - 730

Released in 1983, the Cal. 6623 with design code 730 was part of Seiko's domestic market collection. With its 20mm lug width and 14.6mm profile, it sits comfortably on most wrists. [seikata-wm-14de06be3749]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

14.6mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Burgundy

Jewels

27j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1983

Related Models

• Seiko 7136-215
• Seiko 7171-793
• Seiko 6616-515
• Seiko 6342-704
• Seiko 0721-895
• Seiko 7043-279
• Seiko 0763-782
• Seiko 6236-663
• Seiko 4421-932
• Seiko 0726-458
• Seiko 0729-209
• Seiko 5650-491