Side by side

Baltic Hermétique SummervsZelos Helica

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
Helica
ZelosHelica
MSRP $499

At a glance

12 of 29 specs differ
Diameter
Hermétique Summer37mm
Helica39mm
Power Reserve
Hermétique Summer42h
Helica40h
Water Resistance
Hermétique Summer150m
Helica100m
MSRP
Hermétique Summer$594
Helica$499

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
37mm
39mm
Thickness
10.8mm
10.5mm
Lug-to-Lug
46mm
39mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Orange
39 - Wave MOP
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
Miyota 9015
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$594
$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.

Baltic Hermétique Summer

Reviewers highlight the Baltic Hermétique Summer's compact 37mm brushed case with a polished bezel and 150 meters of water resistance. The watch features glossy dials in bright colors with raised BGW9 Super-LumiNova indices that emit a strong blue glow, and it comes with color-matched FKM rubber straps or Baltic bracelets. The Miyota 9039 movement supports hacking and hand-winding. However, the recessed crown can be difficult to manipulate if fingernails are not long enough, and the movement has a stated accuracy of -10/+30 seconds per day. Overall, reviewers praise the Baltic Hermétique Summer for its well-balanced, colorful dials and strong lume at an affordable 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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