Seiko Cal. 6635 - 487

The 6635-487 is a sought-after Quartz piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-47fe0140ec10]

Also known as: Golden Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

13.8mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

32j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1995

Related Models

• Seiko 5286-180
• Seiko 5258-933
• Seiko 5634-318
• Seiko 7012-765
• Seiko 7075-314
• Seiko 4471-645
• Seiko 6636-128
• Seiko 6636-767
• Seiko 5295-659
• Seiko 6289-936
• Seiko 6190-731
• Seiko 4538-123