Seiko Cal. 6641 - 788

This Kinetic model from 1986 features a 38mm Titanium case. Powered by the 6641 caliber with 28j jewels beating at 21,600 bph, it delivers a 72 hours power reserve. [seikata-wm-23dc0ebb3b34]

Also known as: Crown, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

38mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

120m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1986

Related Models

• Seiko 6698-477
• Seiko 6615-889
• Seiko 5233-727
• Seiko 4560-969
• Seiko 5231-143
• Seiko 0716-819
• Seiko 6681-283
• Seiko 5611-523
• Seiko 6116-104
• Seiko 6129-212
• Seiko 4593-571
• Seiko 6398-167