Seiko Cal. 4440 - 578

Released in 1982, the Cal. 4440 with design code 578 was part of Seiko's domestic market collection. It features a Navy dial protected by a Sapphire crystal and offers 200m of water resistance. [seikata-wm-8ad3f4ad9fd3]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

37mm

Case Thickness

15.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

200m

Dial Color

Navy

Jewels

30j

Frequency

28,800 bph

Power Reserve

66 hours

Year

1982

Related Models

• Seiko 4455-268
• Seiko 4470-441
• Seiko 6668-519
• Seiko 6194-143
• Seiko 5638-377
• Seiko 5286-472
• Seiko 4589-104
• Seiko 5293-957
• Seiko 6161-270
• Seiko 4453-701
• Seiko 6124-984
• Seiko 5254-263