The Seiko 62MAS 'Big Crown' is a professional diver's watch released in 1965. It features a larger crown and comes with a black tropic rubber strap.

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

This is a 1967 Seiko 6217-8001 that was purchased in Vietnam by an intelligence operative for the US military. The watch shows its age but presents well, with a clear serial number and dolphin logo on the caseback.

• Condition: Wear and tear, scuffs on case, dings on lugs, some discoloration on date wheel, missing lume at 12 oclock position
• Purchase year: 1967
• Origin: Vietnam
• Movement service date: 2/2026

This 1967 Seiko 'Big Crown' model is a professional diver's watch, released in 1965. The watch has a larger crown and features a light grey dial.

• Condition: good condition, markers and hands matching
• Case Size: 37mm diameter
• Straps: 1 x black tropic rubber strap

This 1967 Seiko 62MAS 'Big Crown' is the first professional diver's watch released by Seiko in 1965. It features a larger crown compared to its predecessor and has been well-maintained with sharp edges and a prominent engraved caseback.

• Condition: Excellent, previously serviced
• Case size: 37mm diameter
• Strap type: Black tropic rubber strap

This is a 1967 Seiko 62MAS 'Big Crown' diver's watch with a 37mm case and black tropic rubber strap. It features a light grey dial with matching markers and hands.

• Condition: Excellent, with a light grey dial due to fading
• Case Size: 37mm diameter
• Straps: Black tropic rubber strap

This is the very first Seiko diver watch ever produced, an icon whose design was so influential that it has been recently re-issued in a modern interpretation.

• Condition: wonderful condition
• Size: 38mm diameter
• Movement: Automatic, Cal. 6217A

This is one of Seiko's most iconic vintage pieces, the 62MAS dive watch. It was produced from January 1966 to June 1967 and holds a historical position as Seiko's first-ever dive watch.

• Condition: Excellent
• Serviced: yes, with all functions working properly
• Caseback type: Big Crown Horseshoe caseback
• Bezel condition: good

The 1965 Seiko 62MAS 'Big Crown' is the first professional Seiko diver's watch, featuring a larger crown and excellent condition. The dial has faded to a light grey and the case remains sharp with good grip on the bezel and crown teeth.

• Condition: Excellent, serviced
• Case Size: 37mm diameter
• Strap Material: Black tropic rubber

The 1965 Seiko 62MAS 'Big Crown' is the first professional diver's watch from Seiko, with a larger crown and sharp case edges. It has a light grey dial and a prominent engraving on the caseback.

• Condition: Excellent, serviced
• Case Size: 37mm diameter
• Strapping Material: black tropic rubber