Seiko Cal. 4420 - 660

The Seiko 4420-660 represents an important milestone in Seiko's 1991 lineup. It features a White dial protected by a Hardlex crystal and offers 90m of water resistance. [seikata-wm-6f287d0fb2f9]

Also known as: Shogun

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

9.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

90m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1991

Related Models

• Seiko 5233-628
• Seiko 6693-595
• Seiko 5697-660
• Seiko 5610-882
• Seiko 5214-920
• Seiko 4457-290
• Seiko 6314-197
• Seiko 4552-141
• Seiko 6611-477
• Seiko 6339-646
• Seiko 3855-598
• Seiko 5669-801