A 1967 Seiko Grail, the first diver model, in serviced condition.

• Condition: Unpolished
• Year: 1967
• Serviced: yes

The Seiko 62MAS is a professional diver's watch released in 1965, known for its 'Big Crown' design and 37mm case. It features a black tropic rubber strap and has been recently serviced to run to spec.

• Condition: Excellent, serviced, minor dial fading
• Case diameter: 37mm
• Strap material: black tropic rubber

The 1965 Seiko 62MAS is the first professional diver's watch from Seiko, featuring a larger crown and excellent condition.

• Condition: Excellent, serviced
• Case size: 37mm diameter
• Straps: black tropic rubber strap
• Papers: No box or papers included

This vintage Seiko 62MAS features a beautiful dial with crisp hands and lume, a nicely brushed case, and a rotating bezel. The watch has been fully serviced and is running well.

• Condition: Excellent, serviced
• Crown gasket replaced: true
• Caseback gasket replaced: true
• Crystal replaced with new seiko 6217-8001 crystal: true

The 1965 Seiko 62MAS 'Big Crown' is the first professional diver's watch released by Seiko. It features a larger crown and has been recently serviced.

• Condition: Excellent, with minor dial fading
• Case size: 37mm
• Strap material: Black tropic rubber

This beautiful Seiko 6217-8001 62MAS diver is in excellent condition, having received a full service. The watch features a crisp dial, quickset date, and original lume.

• Condition: Pre-owned, serviced
• Service history: Full movement service, rebuild of crown gasket, replacement of caseback gasket, and crystal
• Crystal: Original Seiko 6217-8001 crystal
• Dial condition: Very good, minor hazing on hands

The 1965 Seiko 62MAS 'Big Crown' is the first professional diver's watch from Seiko, featuring a larger crown and a sharp case with grippy bezel and crown teeth. The dial has faded to light grey. The watch was recently serviced by a watchmaker.

• Condition: Excellent, serviced
• Case Size: 37mm diameter
• Straps: black tropic rubber strap

One of Seiko's most iconic vintage pieces, the 62MAS dive watch, is up for sale. This piece holds historical significance as Seiko's first-ever dive watch and has been rare to find, especially in this condition.

• Condition: Excellent condition
• Caseback type: Horseshoe caseback
• Bezel condition: Good condition
• Marker oxidation: Some slight oxidation