Seiko Cal. 6635 - 722

The 6635-722 is a sought-after Spring Drive piece from Seiko's golden era. The Inner Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e27a27f5aa4d]

Also known as: Emperor, Arnie

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

31j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1994

Related Models

• Seiko 7090-444
• Seiko 6676-205
• Seiko 7098-731
• Seiko 3836-513
• Seiko 5250-114
• Seiko 7068-784
• Seiko 3822-495
• Seiko 7110-190
• Seiko 6263-150
• Seiko 6270-645
• Seiko 3874-216
• Seiko 0754-851