A rare 1969 Seiko hi-beat diver with a monocoque case and 300m water resistance, featuring a Grand Seiko 36,000 bph movement.

• Condition: Pre-owned with scratches and wear consistent with a tool watch
• Movement: Grand Seiko 36,000 bph
• Water Resistance: 300m
• Crystal: NOS OE Seiko Crystal

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

1973 Omega Constellation Megaquartz with in-house quartz movement, one of the first of its kind.

• Movement: Cal. 1310

This 1974 King Seiko is a luxury watch produced by Suwa Seikosha for Seiko from 1968 to 1975. It was designed to compete with Grand Seiko and features a 36.5mm case and 42mm lug-to-lug length.

• Condition: Excellent, with aged dial
• Case Size: 36.5mm
• Lug To Lug: 42mm

This is a rare Seiko hi-beat diver from July 1969, featuring a monocoque case, 300m water resistance, and a Grand Seiko 36,000 bph movement. It has been freshly serviced and comes with a new strap and crystal.

• Condition: Pre-owned with scratches and wear consistent with a tool watch
• Movement: Grand Seiko 36,000 bph
• Case material: monocoque case
• Water resistance: 300m

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

This 1969 Seiko Professional Diver 300m Hi-Beat is a rare and beautiful timepiece with a matte black dial, sharp stainless steel case, and high-quality silicone waffle strap.

• Condition: Excellent, recently serviced
• Case Size: 43mm
• Movement Calibre: Cal. 6159
• Depth Rating: 300m

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