Seiko Cal. 4472 - 331

This Solar model from 1972 features a 39mm Hardlex-Coated Steel case. It features a Silver dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-fca3417ccb8a]

Also known as: Helmet, Silverwave

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

13.5mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Silver

Jewels

20j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1972

Related Models

• Seiko 5683-155
• Seiko 0728-656
• Seiko 5671-830
• Seiko 5661-272
• Seiko 0766-895
• Seiko 3836-702
• Seiko 6346-362
• Seiko 6147-799
• Seiko 6369-974
• Seiko 6685-860
• Seiko 4470-269
• Seiko 6352-184