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

• Condition: Excellent, serviced
• Case diameter: 37mm
• Strapping: 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. The watch retains rare and desirable details, increasingly difficult to find today.

• Condition: wonderful, extraordinary
• Size: 38mm diameter
• Movement: Cal. 6217A automatic movement

The 1965 Seiko 62MAS is the first professional diver's watch from Seiko, with a larger crown than its predecessor. It features a sharp case, good bezel and crown grip, and a prominent engraving on the caseback.

• Condition: Excellent, serviced condition with faded dial
• Case Size: 37mm diameter
• Case Material: unknown
• Strap: Black tropic rubber strap

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

The first ever diver model released by Seiko in 1967, a cult classic and foundation for Japan's many iconic diver watches.

• Condition: Unpolished, serviced condition with some aging on dial and lume, chips and scratches on bezel
• Case condition: unpolished
• Bezel condition: chips and scratches

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