Seiko Cal. 4525 - 512

The Seiko 4525-512 represents an important milestone in Seiko's 1965 lineup. The Coin-Edge bezel and 40mm case give it a distinctive presence on the wrist. [seikata-wm-410aab9a33ee]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

40mm

Case Thickness

10.4mm

Lug Width

22mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Burgundy

Jewels

17j

Frequency

21,600 bph

Power Reserve

38 hours

Year

1965

Related Models

• Seiko 6620-541
• Seiko 6364-445
• Seiko 6116-470
• Seiko 5227-288
• Seiko 7078-730
• Seiko 6370-934
• Seiko 3822-617
• Seiko 5290-446
• Seiko 6234-367
• Seiko 0768-481
• Seiko 4540-726
• Seiko 6277-923