Bremont S500vsUnimatic Modello Quattro UT4-U-TI-GMT Ultratool GMT

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Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

S500

Modello Quattro UT4-U-TI-GMT Ultratool GMT
Diameter
43mm
40mm
Water Resistance
500m
highest
300m
MSRP
$4,395
$840
lowest
Movement
Bremont BE-92AE
Ronda 515.24D
Case
6 specsCrystal & Dial
2 specsMovement
2 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
The Bremont S500 is praised for its excellent Super-LumiNova lume, refined finishing on its 43mm Trip-Tick case, and scratch-resistant B-EBE2000® treated case. Owners find the soft rubber strap comfortable and appreciate the retro design and sunburst dial, with some noting the 43mm case wears smaller due to short lugs. However, some reviewers flag legibility issues due to the dark dial and hands, and the 16mm to 16.5mm thickness is considered less practical for daily wear by some. Criticisms also include the lack of a dive suit extension on the bracelet and understated bezel markings. On balance, owners and reviewers appreciate the Bremont S500 for its robust build and comfortable wearability, though its practicality for daily wear and legibility are points of contention.
Owners widely praise the Unimatic Modello Quattro UT4-U-TI-GMT Ultratool GMT's modernist Brutalist design and featherlight titanium case, with reviewers noting its MIL-STD-810 testing and functional, tough aesthetic. The sandblasted titanium case is noted for its reduced weight, enhancing wearability, and larger dial numerals improve legibility. However, the Grade II titanium is susceptible to scratches without a hard coating, and the dial numeral lume is less bright than the hands. Some find the fixed bezel and flat lugs cause it to sit flat on smaller wrists, and the crown unscrews less smoothly than stainless steel counterparts. The dial's tighter spacing between numerals and the GMT display sacrifices some breathing room, and while the Ronda 515.24D quartz movement is functional, its accuracy is not exceptional for a quartz watch, and the price is considered good but not exceptional.
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