Seiko Cal. 6393 - 748

This Quartz model from 1974 features a 42mm Stainless Steel case. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-8dfb84d83d97]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

15.2mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

140m

Dial Color

White

Jewels

35j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1974

Related Models

• Seiko 4451-264
• Seiko 5210-861
• Seiko 4433-390
• Seiko 0711-630
• Seiko 7016-559
• Seiko 6664-283
• Seiko 5699-436
• Seiko 6267-654
• Seiko 5662-259
• Seiko 7181-948
• Seiko 4440-786
• Seiko 4536-432