| Reference Ocarat | #49147 |
| Reference | 18142.PBAM.TSS.5.NK |
| Brand | Briston |
| Product Type | Watch |
| Gender | Men Women |
| Color | Beige Black Brown |
| Material | Synthetic |
| Material Quality | Cellulose acetate |
| Warranty | 2 Years |
| Length (in mm) | 42,00 |
| Width (in mm) | 42,00 |
| Thickness (in mm) | 11,90 |
| Labels and Certificates | Authorized Retailer |
| Case Shape | Cushion |
| Bezel | Steel |
| Dial Finish | Matte |
| Watch Case Back | Screwed caseback |
| Crystal Shape | Domed |
| Glass Quality | Mineral Crystal |
| Watch Case Types | Date |
| Buttons | 1 Crown 2 Pushers |
| Water Resistance (in ATM) | 10 |
| Movements | Quartz |
| Movement Type | Japanese Movement |
| Movement Brand | Miyota |
| Calibers (Movements) | Miyota OS21 |
| Calendar and Time | Dates Hours Minutes Seconds |
| Chronograph Function | Yes |
| Counters and Durations | 24h 60 min |
| Display Type | Analog (hands) |
| Number of Counters (Additional) | 2 |
| Bracelet Material | Nato Nylon |
| Strap Color | Beige |
| Water Resistant | Yes |
| Watch Clasp | Tang Buckle |
| Lug Width (in mm) | 20,00 |
| Collection | Briston Clubmaster Sport Acetate |
The Watch
True to its name, this model pairs a beige NATO strap with a "tortoiseshell" brown case - a combination that immediately captures the spirit of the watch. Did you know the NATO strap has military origins? It was commissioned by the British Ministry of Defence to meet the demands of military life - NATO standing for North Atlantic Treaty Organization. The "tortoiseshell" cellulose acetate case, made in Italy, is hand-polished to a matte finish and measures 42 x 42mm. It features three black buttons: a screw-down crown engraved with the brand's crest at 3 o'clock, and two pushers at 2 and 4 o'clock. A matte black PVD-treated stainless steel bezel frames a domed crystal of 2.3mm thickness. A screw-down case back ensures 10 ATM water resistance. This watch blends right into any setting!
The Dial
A matte black dial features skeletonized indexes in matte black PVD-treated stainless steel. Three hands sweep the dial: the hour and minute hands are matte black PVD baton-style with sandy beige inserts, while the seconds hand is beige lacquered with a red tip. A tachymeter scale runs along the outer edge to measure the speed of a moving object. A date window in black numerals on a white background sits at 6 o'clock, with Clubmaster - the collection name - and the 100m water resistance rating printed above. The chronograph dial includes a 60-minute counter at 9 o'clock and a 24-hour counter at 3 o'clock, both in black with beige indexes and hands. The brand name, Briston, appears beneath the 12 o'clock index.
The Movement
Inside the matte cushion case beats a Japanese quartz Miyota OS21 movement, delivering hours, minutes, seconds, 24-hour, 60-second, chronograph, and date functions.
The Strap
A beige NATO strap amplifies the adventurous character of this military-inspired timepiece. Made from nylon, it measures 280mm in length with a 20mm lug width - ideal for a men's wrist. The keepers and pin buckle are crafted from 316L stainless steel with a matte black PVD treatment.
Water Resistance
With 100 meters of water resistance - 10 ATM in the beloved language of watchmaking - this bold timepiece holds its own at black-tie events and in the water alike. Wear it in the shower, the bath, or the pool (even during an intense swim session). That said, our expert watch team wants to be clear: this model is not designed for scuba diving, freediving, or high-pressure water cleaning. Remember: shower, bath, and swimming only - and never operate the pushers or crown while submerged!
Want to make this watch truly yours?
For an extra 10,00 €, personalize it with up to 12 characters
(see photo examples featuring our 2 font options).
Please note: in accordance with our general terms and conditions of sale, personalized items cannot be returned or exchanged. Rest assured, however, that the manufacturer's warranty remains valid for 2 years.


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Briston Clubmaster Sport Acetate Safari Chronograph Watch
(Ref. 49147)