Seiko Cal. 4521 - 938

The Seiko 4521-938 represents an important milestone in Seiko's 1972 lineup. Powered by the 4521 caliber with 22j jewels beating at 21,600 bph, it delivers a 68 hours power reserve. [seikata-wm-7b6d5e300354]

Also known as: Arnie

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

34mm

Case Thickness

10.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

60m

Dial Color

Navy

Jewels

22j

Frequency

21,600 bph

Power Reserve

68 hours

Year

1972

Related Models

• Seiko 5698-755
• Seiko 7033-184
• Seiko 5236-230
• Seiko 6160-793
• Seiko 7020-167
• Seiko 7050-275
• Seiko 6296-127
• Seiko 6323-999
• Seiko 6625-208
• Seiko 3848-595
• Seiko 5655-890
• Seiko 7066-261