Seiko Cal. 6630 - 903

The 6630-903 is a sought-after Automatic piece from Seiko's golden era. The Inner Rotating bezel and 39mm case give it a distinctive presence on the wrist. [seikata-wm-1cfb42fcf807]

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

13.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1982

Related Models

• Seiko 0774-118
• Seiko 5635-459
• Seiko 6390-331
• Seiko 6218-472
• Seiko 4597-380
• Seiko 4594-831
• Seiko 6124-268
• Seiko 6654-274
• Seiko 6132-887
• Seiko 6631-840
• Seiko 6651-539
• Seiko 4426-965