Seiko Cal. 4420 - 375

The Seiko 4420-375 represents an important milestone in Seiko's 1992 lineup. It features a Cream dial protected by a Hardlex crystal and offers 180m of water resistance. [seikata-wm-d2b3d5b5ffa1]

Also known as: World Timer

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

43mm

Case Thickness

10.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

180m

Dial Color

Cream

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1992

Related Models

• Seiko 6364-349
• Seiko 6283-826
• Seiko 6114-543
• Seiko 4445-831
• Seiko 5672-504
• Seiko 7188-750
• Seiko 4551-242
• Seiko 6294-596
• Seiko 4514-451
• Seiko 7189-928
• Seiko 5291-296
• Seiko 6187-737