Seiko Cal. 6640 - 769

This Kinetic model from 1990 features a 36mm Hardlex-Coated Steel case. It features a Silver dial protected by a Acrylic crystal and offers 80m of water resistance. [seikata-wm-cb27e55f31fc]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

9.7mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

80m

Dial Color

Silver

Jewels

29j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1990

Related Models

• Seiko 4495-733
• Seiko 7178-302
• Seiko 4593-956
• Seiko 4413-343
• Seiko 6384-503
• Seiko 6271-605
• Seiko 4494-596
• Seiko 7145-455
• Seiko 6213-977
• Seiko 0768-877
• Seiko 0737-422
• Seiko 6698-527