Seiko Cal. 4420 - 507

The Seiko 4420-507 represents an important milestone in Seiko's 1995 lineup. Powered by the 4420 caliber with 30j jewels beating at 28,800 bph, it delivers a 67 hours power reserve. [seikata-wm-61a014bcfd70]

Also known as: Panda

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

10.9mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

67 hours

Year

1995

Related Models

• Seiko 4578-455
• Seiko 4586-827
• Seiko 6134-157
• Seiko 6114-416
• Seiko 0742-652
• Seiko 5698-473
• Seiko 5216-585
• Seiko 7015-469
• Seiko 6365-782
• Seiko 4569-116
• Seiko 3826-953
• Seiko 7180-383