Seiko Cal. 4420 - 336

The Seiko 4420-336 represents an important milestone in Seiko's 1999 lineup. It features a Silver dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-c27d5fe5b4d7]

Also known as: Samurai, UFO

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

14.2mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Silver

Jewels

22j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1999

Related Models

• Seiko 0716-566
• Seiko 4580-866
• Seiko 6638-923
• Seiko 5213-405
• Seiko 6238-717
• Seiko 5230-625
• Seiko 7093-398
• Seiko 3848-793
• Seiko 6681-102
• Seiko 4539-862
• Seiko 3820-701
• Seiko 7119-184