Seiko Cal. 0740 - 638

This Quartz model from 1970 features a 39mm Stainless Steel case. It features a Green dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-970ec52ae1c2]

Also known as: Bellmatic, Golden Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Green

Jewels

20j

Frequency

36,000 bph

Power Reserve

64 hours

Year

1970

Related Models

• Seiko 6375-384
• Seiko 6399-359
• Seiko 6287-216
• Seiko 4497-134
• Seiko 7134-978
• Seiko 4427-189
• Seiko 7045-884
• Seiko 7183-905
• Seiko 7133-579
• Seiko 0724-574
• Seiko 0797-108
• Seiko 6628-761