Seiko Cal. 4420 - 399

The Seiko 4420-399 represents an important milestone in Seiko's 1988 lineup. It features a Green dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-6213f0d17b6a]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Hardlex-Coated Steel

Case Width

35mm

Case Thickness

11.3mm

Lug Width

22mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

130m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1988

Related Models

• Seiko 4534-988
• Seiko 6314-109
• Seiko 0728-112
• Seiko 5218-936
• Seiko 4418-584
• Seiko 0749-347
• Seiko 6194-906
• Seiko 4413-450
• Seiko 6612-538
• Seiko 4591-674
• Seiko 3851-248
• Seiko 7079-603