Seiko Cal. 4420 - 374

This Automatic model from 1975 features a 43mm Titanium case. It features a Cream dial protected by a Sapphire crystal and offers 160m of water resistance. [seikata-wm-2ca88baee4fa]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

11.2mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

160m

Dial Color

Cream

Jewels

32j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1975

Related Models

• Seiko 3820-987
• Seiko 0747-994
• Seiko 6635-409
• Seiko 4439-335
• Seiko 6126-373
• Seiko 3868-764
• Seiko 7074-387
• Seiko 3872-782
• Seiko 5642-854
• Seiko 5640-692
• Seiko 5248-509
• Seiko 3882-152