Seiko Cal. 6623 - 861

The 6623-861 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6623 caliber with 30j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-aacd9eb4a76d]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

9.3mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

60m

Dial Color

Champagne

Jewels

30j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1970

Related Models

• Seiko 6145-137
• Seiko 0712-216
• Seiko 6294-751
• Seiko 6690-384
• Seiko 5621-354
• Seiko 4584-222
• Seiko 6259-923
• Seiko 3897-516
• Seiko 0776-674
• Seiko 6283-577
• Seiko 7175-914
• Seiko 0777-227