Seiko Cal. 6640 - 821

This Kinetic model from 1969 features a 41mm Titanium case. It features a White dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-32b42d613d56]

Also known as: Rally

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

41mm

Case Thickness

12.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

26j

Frequency

36,000 bph

Power Reserve

60 hours

Year

1969

Related Models

• Seiko 4462-838
• Seiko 3864-989
• Seiko 0742-535
• Seiko 3846-651
• Seiko 4599-642
• Seiko 5623-436
• Seiko 4581-863
• Seiko 5289-350
• Seiko 0769-798
• Seiko 6684-731
• Seiko 7052-323
• Seiko 4446-816