Seiko Cal. 4420 - 290

The Seiko 4420-290 represents an important milestone in Seiko's 1986 lineup. It features a Navy dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-a49363b5745b]

Also known as: Goldfeather

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Navy

Jewels

35j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1986

Related Models

• Seiko 0742-402
• Seiko 6267-295
• Seiko 6283-119
• Seiko 6270-681
• Seiko 4527-146
• Seiko 7089-395
• Seiko 6624-190
• Seiko 7197-716
• Seiko 7074-386
• Seiko 6648-902
• Seiko 4594-858
• Seiko 6658-146