Seiko Cal. 6623 - 638

This Quartz model from 1965 features a 43mm Stainless Steel case. With its 22mm lug width and 9.6mm profile, it sits comfortably on most wrists. [seikata-wm-328eab95d5eb]

Also known as: Rally, Navigator

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

9.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Black

Jewels

34j

Frequency

28,800 bph

Power Reserve

39 hours

Year

1965

Related Models

• Seiko 6262-888
• Seiko 5233-452
• Seiko 4572-619
• Seiko 3818-701
• Seiko 5245-988
• Seiko 4593-960
• Seiko 0732-186
• Seiko 6236-407
• Seiko 6120-170
• Seiko 7024-566
• Seiko 6346-542
• Seiko 4466-164