Side by side

Tissot PRC 100 SolarvsZelos Helica

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

PRC 100 Solar
TissotPRC 100 Solar
MSRP $575
Helica
ZelosHelica
MSRP $499

At a glance

9 of 29 specs differ
Diameter
PRC 100 Solar39mm
Helica39mm
Power Reserve
PRC 100 Solar40h
Helica40h
Water Resistance
PRC 100 Solar100m
Helica100m
MSRP
PRC 100 Solar$575
Helica$499

Full specifications

Case

3 specs
Category
Sport
Diver
Thickness
9.22mm
10.5mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Dial Color
Silver
39 - Wave MOP
Indices
Indexes
Applied
Lume
Super-LumiNova ®
None

Movement

2 specs
Caliber
11 1/2'''
Miyota 9015
Type
Quartz
Automatic

Pricing

1 specs
MSRP
$575
$499

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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.

Zelos Helica

Owners widely praise the Zelos Helica for its stunning, often color-shifting dials, with specific mentions of the MoP, slate grey, 'Steel Blue', and red opal variants being particularly captivating and artful. The 39mm case size is noted as fitting well on smaller wrists, and the overall build quality and finishing for the price are frequently highlighted as impressive, with one owner calling it "a lot of watch for the price." Some owners appreciate the novel bracelet designs and full lume dials, while others find the bracelet and clasp edges sharp or the clasp lacking on-the-fly adjustment. Opinions on the date window are mixed, with one owner disliking it. The Zelos Helica Moonphase was considered cluttered by one owner, and its $1K USD price point was felt to be steep by another, though popular variants sold out rapidly. Overall, owners rate the Zelos Helica highly for its striking dial designs and impressive value proposition.

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