Seiko Cal. 6638 - 813

This Quartz model from 1985 features a 40mm Gold-Plated case. It features a Black dial protected by a Sapphire crystal and offers 50m of water resistance. [seikata-wm-2a0b603f5c57]

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

40mm

Case Thickness

12.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

50m

Dial Color

Black

Jewels

32j

Frequency

28,800 bph

Power Reserve

65 hours

Year

1985

Related Models

• Seiko 3870-874
• Seiko 5688-402
• Seiko 0781-108
• Seiko 4455-834
• Seiko 6262-110
• Seiko 4411-499
• Seiko 7189-367
• Seiko 6665-326
• Seiko 5621-340
• Seiko 0755-629
• Seiko 5226-774
• Seiko 6610-276