Seiko Cal. 6642 - 652

The 6642-652 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6642 caliber with 27j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-2fef96aac7fd]

Also known as: Turtle

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

34mm

Case Thickness

11.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

27j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1980

Related Models

• Seiko 6186-585
• Seiko 4564-149
• Seiko 0729-327
• Seiko 4421-337
• Seiko 6144-969
• Seiko 7142-918
• Seiko 6620-352
• Seiko 5258-335
• Seiko 5248-956
• Seiko 5698-200
• Seiko 6360-523
• Seiko 6182-765