Seiko Cal. 4420 - 689

The 4420-689 is a sought-after Quartz piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 160m of water resistance. [seikata-wm-bb2e5b312371]

Also known as: Silverwave

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

10.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

49 hours

Year

1992

Related Models

• Seiko 5671-802
• Seiko 7098-529
• Seiko 4515-119
• Seiko 7188-239
• Seiko 6644-206
• Seiko 5669-451
• Seiko 4477-922
• Seiko 3838-871
• Seiko 6195-419
• Seiko 3839-598
• Seiko 4589-698
• Seiko 6158-625