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Elliot Brown

BEACHMASTER BLACKOUT: 0H0-621

GMT

$625In stock
Configuration

SKU 0H0-621-R51G

Last checked Oct 26, 2026

Strap: Black Textured Rubber, Sandblasted Black PVD Bracelet

View on Elliot Brown’s site ↗

From Elliot Brown

• Swiss made high performance Ronda 515.24H quartz movement with independently adjustable 24hr/GMT function • 40mm dark grey sandblasted PVD stainless steel case • Subtle matt wave ‘amphibious assault’ graphic in the dial centre • Matte black dial with tonal grey luminous graphics. NB: Please note that the grey luminous used on this model does not perform as well as other colours. If luminous performance is important to you, the Beachmaster NIVO would be a better choice • Waterproof to 300M/1000ft; individually tested • Bi directional rotating Internal mission timing bezel with click-lock ceramic ball bearing mechanism • Internal movement shock protection system • Scratch resistant domed sapphire crystal with clear internal anti reflective coating • Custom hobnail knurled crowns at 2H and 4H • Easy change screw in strap bars with socket heads • Personal laser engraving included • Cut to fit rubber divers strap with matching double fold deployant buckle • Patent No. GB2509109

Specifications

Details and photos come from Elliot Brown’s website, last checked Oct 26, 2026. Specs were read automatically and may contain mistakes.

Case

Diameter
Not listed
Lug-to-lug
Not listed
Thickness
3.5 mm
Thickness incl. crystal
Not listed
Lug width
22 mm
Material
Not listed

Movement

Type
Quartz
Caliber
Ronda 515.24H
Power reserve
Not listed
Functions
Not listed

Crystal and bezel

Crystal
Sapphire
Bezel
Not listed

Water resistance

Rated to
Not listed

Dial and lume

Dial
Not listed
Lume
Not listed

Strap

Strap
rubber
Every spec Elliot Brown lists
Strap
Black Textured Rubber
Min size
135mm, 5 1/4”
VAT saving
- For markets outside the UK, prices will be displayed in local currencies and without VAT (UK sales tax).
Strap width
22mm
Time and Tides
Modern mission timing with the Beachmaster In Dorset, we have some of the most varied and beautiful ...
Max standard size
200mm, 7 7/8”
Maximum thickness
3.5mm
BEACHMASTER BLACKOUT
0H0-621
Max size (last hole)
210mm, 8 1/4”
Import taxes & duties
- You’ll be responsible for any import duties, tariffs and/or state taxes when your watch is delivered
Min size (first hole)
130mm, 5 1/8”
Beachmaster deconstructed
features of our no compromise mission timer A unique watch complication is a rare thing, even more...

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Elliot Brown BEACHMASTER BLACKOUT: 0H0-621 · Lugworthy