Seiko Cal. 4520 - 724

Released in 1976, the Cal. 4520 with design code 724 was part of Seiko's domestic market collection. It features a Green dial protected by a Hardlex crystal and offers 120m of water resistance. [seikata-wm-ba8fef70c84d]

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Green

Jewels

31j

Frequency

21,600 bph

Power Reserve

41 hours

Year

1976

Related Models

• Seiko 4518-724
• Seiko 3893-223
• Seiko 3880-539
• Seiko 6228-991
• Seiko 6296-722
• Seiko 3811-764
• Seiko 5646-645
• Seiko 7170-320
• Seiko 4443-580
• Seiko 6676-838
• Seiko 3816-297
• Seiko 6164-665