Seiko Cal. 6620 - 694

This Hand-Winding model from 1969 features a 38mm Gold-Plated case. Powered by the 6620 caliber with 27j jewels beating at 28,800 bph, it delivers a 47 hours power reserve. [seikata-wm-e1d7aab14846]

Also known as: Crown

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1969

Related Models

• Seiko 7011-967
• Seiko 5244-971
• Seiko 7010-653
• Seiko 5693-293
• Seiko 6237-698
• Seiko 6690-502
• Seiko 6617-998
• Seiko 5278-136
• Seiko 3810-643
• Seiko 6237-700
• Seiko 5622-455
• Seiko 5618-763