Seiko Cal. 6643 - 341

This Kinetic model from 1985 features a 37mm Titanium case. Powered by the 6643 caliber with 27j jewels beating at 21,600 bph, it delivers a 54 hours power reserve. [seikata-wm-f7a491b12d0d]

Also known as: Rally, Arnie

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

13.3mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

160m

Dial Color

Burgundy

Jewels

27j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1985

Related Models

• Seiko 6134-514
• Seiko 7026-912
• Seiko 7117-323
• Seiko 6195-928
• Seiko 4583-225
• Seiko 6252-665
• Seiko 0735-466
• Seiko 4554-129
• Seiko 5234-448
• Seiko 6328-643
• Seiko 6179-456
• Seiko 5623-912