Seiko Cal. 4520 - 139

The Seiko 4520-139 represents an important milestone in Seiko's 1970 lineup. With its 22mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-941337d0a2ea]

Also known as: Baby Tuna, Arnie

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

9.1mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

200m

Dial Color

White

Jewels

36j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1970

Related Models

• Seiko 7068-817
• Seiko 6132-506
• Seiko 5611-498
• Seiko 4492-411
• Seiko 4463-678
• Seiko 7146-136
• Seiko 7186-913
• Seiko 7115-486
• Seiko 3845-648
• Seiko 5291-425
• Seiko 6672-820
• Seiko 4410-351