Seiko

62MAS

Why It Matters

Japan's first diver's watch and the ancestor of every Seiko diver that followed. The 62MAS set the external rotating bezel, high-legibility dial, and 150m case that became the template for the line. Reference 6217-8001 is the later, larger-crowned example.

Object Details

Brand: Seiko
Family: Diver
Model: 62MAS (Seiko's first diver)
Reference: 6217-8001
Production: 1966–1968
Case: 37mm
Material: Stainless steel
Movement: Automatic Cal. 6217, 17 jewels, 18,000 bph
Dial: Gray-green dial, applied trapezoidal markers
Complication: Date
Bracelet: Rubber dive strap
Water Resistance: 150m

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