Seiko Cal. 4420 - 770

This Quartz model from 1977 features a 35mm Stainless Steel case. It features a Blue Sunburst dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-9b5748d45a7b]

Also known as: Crown

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

35mm

Case Thickness

13.0mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

160m

Dial Color

Blue Sunburst

Jewels

34j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1977

Related Models

• Seiko 6392-950
• Seiko 0778-902
• Seiko 6192-581
• Seiko 6378-113
• Seiko 5687-951
• Seiko 6671-749
• Seiko 0775-589
• Seiko 4415-832
• Seiko 6166-426
• Seiko 5616-285
• Seiko 3835-663
• Seiko 5248-302