Seiko Cal. 6617 - 988

This Quartz model from 1978 features a 34mm Stainless Steel case. The Bidirectional bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-e1386a396c9d]

Also known as: Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

10.7mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

140m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

53 hours

Year

1978

Related Models

• Seiko 6381-965
• Seiko 4571-804
• Seiko 5648-268
• Seiko 5630-986
• Seiko 6172-279
• Seiko 4421-404
• Seiko 4458-725
• Seiko 5690-195
• Seiko 6153-334
• Seiko 5623-825
• Seiko 7179-992
• Seiko 6356-591