Seiko Cal. 6620 - 364

This Spring Drive model from 1968 features a 45mm Gold-Plated case. Powered by the 6620 caliber with 29j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-aa9fabd8b58b]

Also known as: Navigator

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

15.6mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1968

Related Models

• Seiko 6121-930
• Seiko 0717-595
• Seiko 6699-302
• Seiko 6215-845
• Seiko 0722-214
• Seiko 3865-878
• Seiko 6317-279
• Seiko 0715-618
• Seiko 6611-763
• Seiko 5234-625
• Seiko 7036-976
• Seiko 0733-247