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The Ocean Specific + Elliot Brown Holton Professional Blue collaboration was inspired and created to become the perfect fit-for-purpose water sports watch for the Ocean Waterman lifestyle.


Based on the best selling Holton Professional quartz watch (originally developed in response to a request from a specialist branch of the military) it was subjected to intense testing, surviving some of the most hostile conditions imaginable. It became the first military issued watch from a British company in over ten years.

Capable of prolongued exposure to sun and water, the durable, shock resistant Holton Professional Blue possesses clear visibility day or night and a unidirectional timing bezel designed to be operable with a gloved hand.

This Ocean Specific special edition is cased in matt vapour blasted stainless steel, coupled with our ocean blue euphotic zone dial, subdued gunmetal bezel and matching soft black rubber Elliot Brown custom strap.

The Ocean Specific logo is subtly printed at 6h on the dial in a colour matching the Super-Luminova luminous detailing, reminiscent of Purbeck Stone found on Dorset’s Jurassic Coastline where the collaboration began.

The specification of the bezel gives a perfect insight into the level of detail required for sub-aqua.

A precise 120 click high grip bezel houses a stainless steel insert precisely embossed with hours and minutes indentations then flooded with high grade C3 Super-Luminova. The hobnail outer knurling is slightly higher than the insert to form a high grip surface for trustworthy operation even when using the palm of a wet gloved hand. Both components are matt bead blasted, hardened to 1200HV (Vickers hardness scale).

Straps are easily changed and secured via solid steel screw in bars operated with a five lobe tool and matching socket in the strap bar ends.

The recessed crown sits neatly out of harms way at 4H whilst retaining the immense water protection afforded by proprietary triple seals. An additional screw down mechanism locks the crown into the case for added security during rough handling.

The  Holton Professional Blue is a beautiful military grade timepiece inspired by and designed for ocean life. 


  • Swiss quartz movement Ronda calibre 715

  • 200m Water Resistance 
  • 316L Marine grade stainless case, bezel and strap bar
  • 2mm scratch resistant sapphire crystal with anti-reflective coating on inside
  • Ocean blue euphotic zone dial 
  • Case hardened bezel insert with luminous markings
  • Ultra high grip 120 click unidirectional timing bezel
  • Super-Luminova luminous hands and hour batons glow for up to 8 hours

  • Internal movement shock protection system (suspended stainless steel cradle) 

  • Triple sealed screw down crown recessed into the case at 4H out of harm’s way

  • Bolt down compressor case back deeply etched with Ocean Specific logo

  • Soft durable rubber strap with embossed breather line contours from Tyneham Cap on the Dorset coast

  • Wide tongue stainless strap buckle with high grip sides and solid hinge pin

  • Easy change unbreakable screw-in strap bars

  • 3 year battery with end of life indication

  • 5 year warranty