Seiko Cal. 4423 - 706

The Seiko 4423-706 represents an important milestone in Seiko's 1989 lineup. It features a Green dial protected by a Sapphire crystal and offers 120m of water resistance. [seikata-wm-d802396385f8]

Also known as: Sumo, UFO

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

34j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1989

Related Models

• Seiko 0722-244
• Seiko 7172-350
• Seiko 3827-725
• Seiko 6142-678
• Seiko 7169-448
• Seiko 7023-543
• Seiko 0710-459
• Seiko 4588-477
• Seiko 3822-898
• Seiko 7166-807
• Seiko 6372-105
• Seiko 7144-595