Seiko Cal. 5668 - 821

This Kinetic model from 1969 features a 37mm Titanium case. Powered by the 5668 caliber with 20j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-a50ef8c3cdd9]

Also known as: Baby Tuna, Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

37mm

Case Thickness

15.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Cream

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1969

Related Models

• Seiko 6373-552
• Seiko 6150-319
• Seiko 6665-665
• Seiko 6259-400
• Seiko 5241-421
• Seiko 3834-818
• Seiko 6250-306
• Seiko 7178-262
• Seiko 6685-353
• Seiko 6154-797
• Seiko 7167-197
• Seiko 6627-758