Seiko Cal. 4420 - 563

This Quartz model from 1979 features a 39mm Stainless Steel case. With its 19mm lug width and 10.7mm profile, it sits comfortably on most wrists. [seikata-wm-cabd06a2a954]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

39mm

Case Thickness

10.7mm

Lug Width

19mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

60m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1979

Related Models

• Seiko 6185-228
• Seiko 7163-113
• Seiko 4525-571
• Seiko 7134-736
• Seiko 3863-229
• Seiko 0789-248
• Seiko 6610-352
• Seiko 5234-959
• Seiko 7198-459
• Seiko 4596-615
• Seiko 6233-558
• Seiko 7173-107