Seiko Cal. 6638 - 247

The Seiko 6638-247 represents an important milestone in Seiko's 1989 lineup. The Rotating bezel and 44mm case give it a distinctive presence on the wrist. [seikata-wm-77e91c4a63c8]

Also known as: Panda

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

57 hours

Year

1989

Related Models

• Seiko 7012-449
• Seiko 5610-535
• Seiko 4569-165
• Seiko 3884-576
• Seiko 3891-317
• Seiko 0712-212
• Seiko 3835-194
• Seiko 5638-921
• Seiko 5668-402
• Seiko 0746-443
• Seiko 5282-242
• Seiko 3853-254