Seiko Cal. 6620 - 864

The Seiko 6620-864 represents an important milestone in Seiko's 1975 lineup. Powered by the 6620 caliber with 24j jewels beating at 36,000 bph, it delivers a 68 hours power reserve. [seikata-wm-ee24a2d9329f]

Also known as: Rally

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.7mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

24j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1975

Related Models

• Seiko 4570-833
• Seiko 0797-623
• Seiko 5270-204
• Seiko 4413-147
• Seiko 7128-486
• Seiko 7060-182
• Seiko 7185-531
• Seiko 6692-763
• Seiko 6687-905
• Seiko 4499-445
• Seiko 0790-358
• Seiko 5633-746