Seiko Cal. 4537 - 393

The Seiko 4537-393 represents an important milestone in Seiko's 1976 lineup. It features a Navy dial protected by a Acrylic crystal and offers 110m of water resistance. [seikata-wm-eec76d5ad6a7]

Also known as: Helmet, Arnie

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

44mm

Case Thickness

11.7mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Navy

Jewels

25j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1976

Related Models

• Seiko 4466-164
• Seiko 7018-847
• Seiko 7114-942
• Seiko 5630-409
• Seiko 3815-407
• Seiko 4537-951
• Seiko 6132-858
• Seiko 3839-337
• Seiko 5698-729
• Seiko 5640-994
• Seiko 6242-598
• Seiko 6151-555