Seiko Cal. 4512 - 445

The Seiko 4512-445 represents an important milestone in Seiko's 1971 lineup. Powered by the 4512 caliber with 33j jewels beating at 21,600 bph, it delivers a 52 hours power reserve. [seikata-wm-4795eddc2749]

Also known as: Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

13.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Black

Jewels

33j

Frequency

21,600 bph

Power Reserve

52 hours

Year

1971

Related Models

• Seiko 5273-673
• Seiko 0720-428
• Seiko 6398-354
• Seiko 0729-274
• Seiko 4532-453
• Seiko 3895-341
• Seiko 0781-797
• Seiko 3879-393
• Seiko 0779-217
• Seiko 0746-893
• Seiko 5621-307
• Seiko 6238-460