Seiko Cal. 6640 - 538

This Quartz model from 1997 features a 34mm Gold-Plated case. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-ba1474969a8d]

Also known as: Samurai, Monster

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

10.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1997

Related Models

• Seiko 6336-329
• Seiko 4584-880
• Seiko 4463-717
• Seiko 6128-821
• Seiko 6148-767
• Seiko 7077-111
• Seiko 6689-939
• Seiko 6280-569
• Seiko 4483-823
• Seiko 6332-660
• Seiko 6668-102
• Seiko 5620-732