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Some specifications for this reference are on file; the record is incomplete.

Seiko · Prospex

62MAS

Ref. 6217-8001 — “62MAS

discontinuedSecond series, large crownPartially documentedLast reviewed Not yet reviewed

Overview

Nickname
62MAS
Production
1965–1968
Era
Second series, large crown
Status
discontinued

Case

Case diameter
37mm
Thickness
13.5mm
Lug width
19mm
Case material
Stainless steel
Construction
Symmetric case with drilled lugs, crown at 3
Bezel
Bi-directional 60-minute friction bezel
Bezel material
Steel with printed insert
Crystal
Acrylic
Crown
Large screw-down crown at 3
Caseback
Screw-down; examples are recorded both plain and with a dolphin medallion
Water resistance
150m

Dial & Hands

Dial
Black
Dial text
SEIKO / AUTOMATIC / DIVER'S 150m (Proof or Resist by era)
Hour markers
Applied and painted, rectangular 12 marker
Hands
Baton hour and minute with a lollipop seconds hand
Lume
Tritium
Lume type
Tritium

Movement

Movement
Automatic
Caliber
6217A
Manufacturer
Seiko (Suwa Seikosha)
Winding
automatic
Frequency
18,000 vph
Jewels
17
Complications
Date