When TAG Heuer launched its inaugural Solargraph in 2022—a technically highly effective new offshoot of the favored Aquaracer household—it rapidly established itself as a crowd favourite amongst watch lovers, tech fanatics, and, in reality, many of the staff right here at Boss Looking HQ.
This yr, we needed to shed some gentle (pun very meant) on this model’s follow-up: an all-titanium Solargraph bracelet—and all—that tackles the Aquaracer’s ‘made-for-outdoors’ mission in a stable, virtually refined manner.
The general pattern could be very a lot according to final yr’s carbon model. Make no mistake: if what you are in search of is a severely rugged software watch that excels on piste, underwater, and at any variety of high-octane settings you care to say, the TAG Heuer Solargraph nonetheless supplies a competing expertise. : though it’s now manufactured from slate-colored titanium, recalling lots of the rocky surfaces the wearer would possibly encounter when testing the watch in its native habitat.
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Nominally a part of the broader Aquaracer Skilled 200 sub-family, it isn’t a nasty thought to (briefly) revisit the Solargraph’s historic origins. Like virtually all Aquaracers, this watch will get its bones from historic reference. 844: A novel a part of the Heuer dynasty that departed from the normal specialty of precision timing gear for racers and pilots.
Launched by Jack Heuer himself in 1978, till then ref. The hour 844 indicated a thirst for journey. The 844 was delivered to market on the behest of Heuer’s North American distributors—a lot of whom have been watching their prospects embrace watersports in report numbers—and the 844 pioneered what TAG followers now know because the ‘six design codes’, all embodied in Aquaracers of the period the speak.


To wit, the Solargraph is – before everything – a purpose-built gadget watch. This abstract stands out by incorporating the entire authentic reference. 844 “design codes”: a dense diving edge that can’t be returned unintentionally; 200m water resistance; Screw-down crown, luminous indexes, sapphire crystal and bracelet with push-button clasp.
Wearing grade two titanium, these options mix to create a watch that is prepared for any state of affairs—although after all the Solargraph is at its greatest whenever you’re deliberately placing your self in, shall we embrace… difficult circumstances.


Whether or not it is kite browsing or spending an Arvo scrambling throughout mountain plateaus, each second a photo voltaic chart is uncovered to daylight (and even synthetic gentle, for that matter) turns into a extra compelling proposition on the wrist. This symbiotic relationship with the nice open air is totally via design, because the Caliber TH50-00 on the coronary heart of the Solargraph – the results of a singular partnership between TAG Heuer and La Joux-Perret – is powered by “Eco-Drive” expertise.
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In layman’s phrases, greatest seen as a photo voltaic powered quartz motion, this signature expertise offers the Solargraph an uncompromising diploma of reliability. Utilizing a photo voltaic module sandwiched beneath the dial (itself a semi-transparent layer), the Solargraph is ready to take in gentle within the surrounding atmosphere – even as soon as the solar has set from the consolation of your house – changing that into vitality which is then saved in an built-in lithium-ion cell.

It will be silly to match this expertise to that of a modest mass-produced quartz motion. Proper from the beginning, the Solargraph eliminates one of many latter’s obtrusive shortcomings – the ergo, the battery. Without having to consider the issues attributable to the additional energy provide, watch makers TAG Heuer as an alternative centered their efforts on enhancing the efficiency of the Solargraph and the outcomes have been nothing if not spectacular.
Living proof: Two full minutes of solar publicity will give the wearer roughly a day’s price of vitality, whereas leaving the watch in a lit atmosphere for twenty-four hours will give the Solargraph sufficient juice to remain alert for a few day. six months. For the prolific collector who zips via dozens of watches without delay, there’s even a useful “vitality saving” mode: permitting the watch to run (albeit with a decreased spark) for as much as 3.5 years.

Like all of our robust on a regular basis wearers, the Solargraph’s attraction is not simply technical. The density of the light-absorbing elements discovered inside the TH50-00 caliber offers this model loads of presence below the duvet of darkness – by turbocharging lots of the luminescent particulars throughout the dial.
Not like final yr’s DLC-packed debut, the brand new Solargraph contains an unilluminated bezel. Nonetheless, the lion’s share of the unique design cues stay intact, and these embrace some actually sturdy indicators (which might be laborious to overlook even 200m under sea stage) and a surprising bluish-green cellphone. In homage to the Aquaracer’s all-terrain aspirations, this little blossom is impressed by the celestial phenomenon of the Northern Lights—simply one of many many beautiful places which are certain to shine this 24/7 watch.