Seiko Cal. 6240 - 677

The Seiko 6240-677 represents an important milestone in Seiko's 1966 lineup. It features a Cream dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-d853ddd696e9]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

38mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

110m

Dial Color

Cream

Jewels

33j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1966

Related Models

• Seiko 5290-196
• Seiko 6319-883
• Seiko 7034-228
• Seiko 6333-948
• Seiko 4436-782
• Seiko 0754-731
• Seiko 3839-349
• Seiko 4427-900
• Seiko 3826-897
• Seiko 5261-699
• Seiko 6338-416
• Seiko 0739-750