Seiko Cal. 4438 - 528

This Automatic model from 1973 features a 44mm Two-Tone case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-2d7da3d92720]

Also known as: Bullhead

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

44mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1973

Related Models

• Seiko 6651-980
• Seiko 3875-401
• Seiko 0741-186
• Seiko 4446-661
• Seiko 4566-819
• Seiko 7012-542
• Seiko 7059-162
• Seiko 0741-803
• Seiko 0737-109
• Seiko 6195-152
• Seiko 5264-591
• Seiko 6221-822