Seiko Cal. 6640 - 908

This Kinetic model from 1985 features a 40mm PVD Black case. Powered by the 6640 caliber with 22j jewels beating at 36,000 bph, it delivers a 47 hours power reserve. [seikata-wm-73acd933be9b]

Also known as: Samurai, UFO

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

11.5mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

200m

Dial Color

Green

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1985

Related Models

• Seiko 5275-922
• Seiko 5253-519
• Seiko 0749-582
• Seiko 7069-731
• Seiko 7159-579
• Seiko 4432-998
• Seiko 4541-117
• Seiko 6319-553
• Seiko 0747-290
• Seiko 5657-479
• Seiko 6150-205
• Seiko 0736-360