Seiko Cal. 6643 - 513

This Kinetic model from 1972 features a 42mm Two-Tone case. Powered by the 6643 caliber with 20j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-9642e5433e03]

Also known as: Arnie

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1972

Related Models

• Seiko 5618-143
• Seiko 6177-548
• Seiko 4568-461
• Seiko 6619-240
• Seiko 7159-953
• Seiko 7063-329
• Seiko 3847-415
• Seiko 5243-777
• Seiko 0770-222
• Seiko 4521-839
• Seiko 6179-154
• Seiko 6384-148