Seiko Cal. 6620 - 665

The 6620-665 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6620 caliber with 29j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-0dbca8ad44c9]

Also known as: UFO, Flighty

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

170m

Dial Color

Silver

Jewels

29j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1970

Related Models

• Seiko 7197-424
• Seiko 6193-745
• Seiko 7131-686
• Seiko 6172-239
• Seiko 6676-440
• Seiko 5260-840
• Seiko 5637-282
• Seiko 0760-795
• Seiko 6242-684
• Seiko 6335-309
• Seiko 6679-796
• Seiko 6171-720