Seiko Cal. 4520 - 624

The 4520-624 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Acrylic crystal and offers 100m of water resistance. [seikata-wm-1fa0ce9b8164]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

42mm

Case Thickness

12.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

100m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1979

Related Models

• Seiko 4437-521
• Seiko 5237-310
• Seiko 5221-173
• Seiko 5245-980
• Seiko 6132-106
• Seiko 5683-647
• Seiko 4449-337
• Seiko 6349-370
• Seiko 3827-214
• Seiko 0776-714
• Seiko 5264-635
• Seiko 4437-261