Seiko Cal. 4512 - 642

The Seiko 4512-642 represents an important milestone in Seiko's 1975 lineup. Powered by the 4512 caliber with 21j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-80e6860ad1e6]

Also known as: Silverwave, Golden Tuna

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

46mm

Case Thickness

14.7mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

150m

Dial Color

Navy

Jewels

21j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1975

Related Models

• Seiko 6658-936
• Seiko 4518-345
• Seiko 4427-612
• Seiko 7178-853
• Seiko 7191-833
• Seiko 4481-839
• Seiko 7047-896
• Seiko 6259-790
• Seiko 4455-788
• Seiko 0778-960
• Seiko 5696-757
• Seiko 0780-486