Side by side

Tissot PRC 100 SolarvsUnimatic Modello Uno UT1-GMT Toolwatch GMT (41.5mm)

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tissot PRC 100 Solar

Owners and reviewers highlight the Tissot PRC 100 Solar's value and modern, urban aesthetic, with its slim 9.2mm case and good finishing for the price. The solar movement is a key feature, offering a 14-month power reserve and rapid charging capabilities. Some owners find the dial colors a bit uninspired, and the date window placement is disliked, while the second hand's ticking is noted as a drawback compared to automatic movements. The watch's 39mm case is considered versatile, though some prefer a smaller 35-37mm size. Overall, owners and reviewers consider the Tissot PRC 100 Solar a versatile daily wear, particularly for its solar technology and Swiss-made appeal at its price point.

Unimatic Modello Uno UT1-GMT Toolwatch GMT (41.5mm)

Sources 2 and 5 describe a different variant (Diving Heritage GMT with automatic Seiko NH34A movement), not the UT1-GMT Toolwatch GMT with Ronda 515.24D. Source 1 describes a different watch (UT1, with Seiko SII VH31 sweeping quartz). Only Sources 3 and 4 address the correct watch. The UT1-GMT Toolwatch GMT earns solid marks as an entry-level tool watch, praised for passing U.S. MIL-STD-810 drop tests (26 drops from 1.22 meters on concrete with no damage) and delivering practical quartz reliability with its Ronda 515.24D movement. The sandblasted stainless steel case, shock-protection system, and digital GMT aperture at 12 make it a capable daily beater; one reviewer values the grab-and-go accuracy quartz offers, though the stated accuracy range of −1 to +20 seconds per month is unremarkable for the category, and solid quartz

At a glance

13 of 29 specs differ
Diameter
PRC 100 Solar39mm
Modello Uno UT1-GMT Toolwatch GMT (41.5mm)41.5mm
Power Reserve
PRC 100 Solar
Modello Uno UT1-GMT Toolwatch GMT (41.5mm)
Water Resistance
PRC 100 Solar100m
Modello Uno UT1-GMT Toolwatch GMT (41.5mm)300m
MSRP
PRC 100 Solar$575
Modello Uno UT1-GMT Toolwatch GMT (41.5mm)$760

Full specifications

Case

7 specs
Category
Sport
Diameter
39mm
41.5mm
Thickness
9.22mm
0mm
Lug-to-Lug
39mm
0mm
Lug Width
20mm
0mm
Material
Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

4 specs
Crystal
Sapphire
Dial Color
Silver
Black
Indices
Indexes
Lume
Super-LumiNova ®
None

Movement

1 specs
Caliber
11.5'
Ronda 515.24D

Pricing

1 specs
MSRP
$575
$760
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