Seiko Cal. 4438 - 566

This Spring Drive model from 1981 features a 34mm Stainless Steel case. It features a Blue Sunburst dial protected by a Sapphire crystal and offers 60m of water resistance. [seikata-wm-0a303434abeb]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

14.3mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

17j

Frequency

36,000 bph

Power Reserve

38 hours

Year

1981

Related Models

• Seiko 7052-154
• Seiko 6267-199
• Seiko 7155-958
• Seiko 3823-434
• Seiko 5623-823
• Seiko 4529-830
• Seiko 5252-307
• Seiko 6154-328
• Seiko 6249-545
• Seiko 6353-172
• Seiko 0715-383
• Seiko 7152-422