The 1965 Seiko 62MAS 'Big Crown' is the first professional diver's watch from Seiko. It features a 37mm case and black tropic rubber strap. The dial has faded to a light grey.

• Condition: Excellent, serviced
• Case size: 37mm diameter
• Strap type: Black tropic rubber
• Box papers included: No

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

• Condition: Excellent, serviced
• Case diameter: 37mm
• Straps: 1 x black tropic rubber strap

This 1967 Seiko 62MAS 'Big Crown' is a professional diver's watch released in 1965. It features a 37mm case with a black tropic rubber strap and a larger crown compared to its predecessor.

• Condition: Good (dial has faded, but markers and hands are matching)
• Case Diameter: 37mm
• Strap Color: Black

A 1965 Seiko 62MAS 'Big Crown' diver's watch, released as the first professional Seiko diver's watch. It features a larger crown than its predecessor and was recently serviced.

• Condition: Excellent, serviced
• Case size: 37mm
• Strap material: Black tropic rubber

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

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

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

The Seiko 62MAS 'Big Crown' is a professional diver's watch released in 1965. It features a 37mm case and black tropic rubber strap.

• Condition: Excellent, recently serviced
• Case diameter: 37mm
• Strap material: Black tropic rubber