Side by side

Baltic Hermétique SummervsNOMOS Glashütte Tetra 27

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
Tetra 27
NOMOS GlashütteTetra 27
MSRP $2,400

At a glance

18 of 29 specs differ
Diameter
Hermétique Summer37mm
Tetra 2727.5mm
Power Reserve
Hermétique Summer42h
Tetra 2743 hoursh
Water Resistance
Hermétique Summer150m
Tetra 2750m
MSRP
Hermétique Summer$594
Tetra 27$2,400

Full specifications

Case

7 specs
Diameter
37mm
27.5mm
Thickness
10.8mm
6.1mm
Lug-to-Lug
46mm
38.5mm
Lug Width
20mm
18mm
Finish
Brushed and polished
Water Resistance
150m
50m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Dial Color
Orange
Silver
Indices
Applied
Lume
BGW9
None

Movement

5 specs
Caliber
Miyota 9039
Alpha | manual
Type
Automatic
Manual
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
43 hoursh
Jewels
25
17

Pricing

1 specs
MSRP
$594
$2,400

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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.

NOMOS Glashütte Tetra 27

Owners praise the NOMOS Glashütte Tetra 27 for its elegant, classic dress watch dimensions, a dial that changes appearance, and comfortable OEM strap. Reviewers highlight its precise, instrument-like design and value proposition, noting its thinness and angular case. Some owners wish for a recessed subdial, and one criticizes the generic buckle. The gold-plated steel hands are not solid gold. Overall, owners and reviewers rate the NOMOS Glashütte Tetra 27 highly for its elegant design and comfortable wearability at its price point.

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