Seiko Cal. 6652 - 428

The Seiko 6652-428 represents an important milestone in Seiko's 1977 lineup. Powered by the 6652 caliber with 28j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-67015b7f66d5]

Also known as: Sea Horse

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

110m

Dial Color

White

Jewels

28j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1977

Related Models

• Seiko 5212-321
• Seiko 6232-494
• Seiko 7060-577
• Seiko 4577-568
• Seiko 4554-299
• Seiko 7111-628
• Seiko 7133-884
• Seiko 6660-829
• Seiko 7192-443
• Seiko 3858-290
• Seiko 4525-132
• Seiko 6291-117