Seiko Cal. 0740 - 657

This Kinetic model from 1976 features a 37mm Gold-Plated case. The Bidirectional bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-04297d214d61]

Also known as: Baby Tuna

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

10.1mm

Lug Width

22mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Black

Jewels

22j

Frequency

36,000 bph

Power Reserve

47 hours

Year

1976

Related Models

• Seiko 5275-296
• Seiko 4595-585
• Seiko 5634-513
• Seiko 3844-193
• Seiko 5278-492
• Seiko 0773-195
• Seiko 6338-907
• Seiko 7134-839
• Seiko 6113-269
• Seiko 5675-954
• Seiko 4532-424
• Seiko 4454-663