Seiko Cal. 6634 - 471

This Quartz model from 1967 features a 38mm Stainless Steel case. It features a Silver dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-9f4a17fa0b38]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

38mm

Case Thickness

14.7mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

110m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1967

Related Models

• Seiko 6624-230
• Seiko 0762-194
• Seiko 7096-610
• Seiko 4474-922
• Seiko 4590-923
• Seiko 6213-780
• Seiko 4554-634
• Seiko 7136-905
• Seiko 6193-808
• Seiko 5612-493
• Seiko 4575-868
• Seiko 7068-926