Seiko Cal. 6642 - 653

The Seiko 6642-653 represents an important milestone in Seiko's 1982 lineup. Powered by the 6642 caliber with 25j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-6d63a9c37d6f]

Also known as: Samurai, Silverwave

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

46mm

Case Thickness

11.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1982

Related Models

• Seiko 3817-147
• Seiko 6668-521
• Seiko 6146-337
• Seiko 6648-716
• Seiko 6191-278
• Seiko 5214-953
• Seiko 5657-252
• Seiko 6259-567
• Seiko 3839-780
• Seiko 6149-618
• Seiko 0716-882
• Seiko 5225-518