Seiko Cal. 6620 - 129

The Seiko 6620-129 represents an important milestone in Seiko's 1976 lineup. Powered by the 6620 caliber with 17j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-f32aa0bb5b0d]

Also known as: Helmet, Silverwave

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

14.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

30m

Dial Color

Black

Jewels

17j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1976

Related Models

• Seiko 4479-573
• Seiko 6117-479
• Seiko 3894-310
• Seiko 3882-339
• Seiko 5229-341
• Seiko 7090-903
• Seiko 4559-634
• Seiko 6155-760
• Seiko 4579-288
• Seiko 4518-630
• Seiko 7164-385
• Seiko 6193-602