Seiko Cal. 4520 - 697

The Seiko 4520-697 represents an important milestone in Seiko's 1988 lineup. The Rotating bezel and 41mm case give it a distinctive presence on the wrist. [seikata-wm-8aa7045ca58c]

Also known as: Turtle

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

41mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

80m

Dial Color

Blue Sunburst

Jewels

36j

Frequency

21,600 bph

Power Reserve

54 hours

Year

1988

Related Models

• Seiko 4445-665
• Seiko 0726-186
• Seiko 7049-218
• Seiko 6166-868
• Seiko 3824-365
• Seiko 5241-498
• Seiko 6392-215
• Seiko 5226-406
• Seiko 6134-335
• Seiko 4598-655
• Seiko 6122-768
• Seiko 7196-880