Seiko Cal. 7140 - 742

Released in 1981, the Cal. 7140 with design code 742 was part of Seiko's domestic market collection. It features a Navy dial protected by a Acrylic crystal and offers 180m of water resistance. [seikata-wm-9db7bd69394e]

Also known as: World Timer

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

9.6mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

180m

Dial Color

Navy

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1981

Related Models

• Seiko 5644-737
• Seiko 7029-425
• Seiko 4586-698
• Seiko 6194-536
• Seiko 5622-901
• Seiko 6174-261
• Seiko 3858-193
• Seiko 6619-458
• Seiko 7143-267
• Seiko 4517-962
• Seiko 4551-300
• Seiko 7073-468