Seiko Cal. 6613 - 765

This Automatic model from 1993 features a 37mm Two-Tone case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-066e37c325e2]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

37mm

Case Thickness

10.3mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

26j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1993

Related Models

• Seiko 5294-626
• Seiko 6632-426
• Seiko 6271-228
• Seiko 5283-866
• Seiko 3873-476
• Seiko 6666-571
• Seiko 3861-328
• Seiko 4429-292
• Seiko 5292-574
• Seiko 6693-690
• Seiko 4447-994
• Seiko 6318-634