Side by side

Spinnaker Dumas GMTvsTissot PRC 100 Solar

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

Dumas GMT
SpinnakerDumas GMT
MSRP $399
PRC 100 Solar
TissotPRC 100 Solar
MSRP $575

At a glance

13 of 29 specs differ
Diameter
Dumas GMT44mm
PRC 100 Solar39mm
Power Reserve
Dumas GMT40h
PRC 100 Solar40h
Water Resistance
Dumas GMT300m
PRC 100 Solar100m
MSRP
Dumas GMT$399
PRC 100 Solar$575

Full specifications

Case

7 specs
Category
GMT
Sport
Diameter
44mm
39mm
Thickness
15mm
9.22mm
Lug-to-Lug
48mm
39mm
Lug Width
22mm
20mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
100m

Crystal & Dial

3 specs
Dial Color
Blue
Silver
Indices
Applied
Indexes
Lume
None
Super-LumiNova ®

Movement

2 specs
Caliber
Seiko NH34A
Type
Automatic
Quartz

Pricing

1 specs
MSRP
$399
$575

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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.

Spinnaker Dumas GMT

Owners praise the Spinnaker Dumas GMT's satisfying lume, including on the crown, and good finishing, with one owner finding it wears well on a 17cm wrist. The watch features a Seiko NH34A GMT movement and a blue gradient dial. Reviewers note its 44mm diameter and 209g weight on the bracelet make it unsuitable for smaller wrists.

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.

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