Seiko Cal. 6623 - 597

The 6623-597 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6623 caliber with 28j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-14f027e9ddd2]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

12.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Cream

Jewels

28j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1975

Related Models

• Seiko 4491-501
• Seiko 7052-355
• Seiko 3820-869
• Seiko 6360-779
• Seiko 7038-653
• Seiko 6345-913
• Seiko 5637-718
• Seiko 4558-768
• Seiko 0784-699
• Seiko 7197-723
• Seiko 7023-338
• Seiko 7030-369