Seiko Cal. 4520 - 338

This Automatic model from 1974 features a 38mm Titanium case. Powered by the 4520 caliber with 25j jewels beating at 21,600 bph, it delivers a 60 hours power reserve. [seikata-wm-872b788f0108]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

38mm

Case Thickness

13.6mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

160m

Dial Color

Champagne

Jewels

25j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1974

Related Models

• Seiko 5624-976
• Seiko 4441-266
• Seiko 4518-438
• Seiko 5259-509
• Seiko 0733-996
• Seiko 6163-727
• Seiko 6289-414
• Seiko 4499-583
• Seiko 4590-974
• Seiko 3811-802
• Seiko 0774-715
• Seiko 4416-798