Seiko Cal. 6638 - 806

The Seiko 6638-806 represents an important milestone in Seiko's 1996 lineup. Powered by the 6638 caliber with 24j jewels beating at 36,000 bph, it delivers a 61 hours power reserve. [seikata-wm-eccb25497b08]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

34mm

Case Thickness

13.5mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

36,000 bph

Power Reserve

61 hours

Year

1996

Related Models

• Seiko 7044-976
• Seiko 6655-531
• Seiko 5233-660
• Seiko 4485-383
• Seiko 6399-151
• Seiko 6638-450
• Seiko 7092-371
• Seiko 6353-651
• Seiko 3824-833
• Seiko 6228-614
• Seiko 6335-197
• Seiko 6317-531