Side by side

Baltic Hermétique SummervsLongines LONGINES SPIRIT FLYBACK TITANIUM

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
LONGINES SPIRIT FLYBACK TITANIUM
LonginesLONGINES SPIRIT FLYBACK TITANIUM
MSRP $5,900

At a glance

13 of 29 specs differ
Diameter
Hermétique Summer37mm
LONGINES SPIRIT FLYBACK TITANIUM42mm
Power Reserve
Hermétique Summer42h
LONGINES SPIRIT FLYBACK TITANIUM40h
Water Resistance
Hermétique Summer150m
LONGINES SPIRIT FLYBACK TITANIUM100m
MSRP
Hermétique Summer$594
LONGINES SPIRIT FLYBACK TITANIUM$5,900

Full specifications

Case

7 specs
Category
Dress
Chronograph
Diameter
37mm
42mm
Thickness
10.8mm
17mm
Lug-to-Lug
46mm
49.5mm
Lug Width
20mm
22mm
Material
Stainless Steel
Titanium
Water Resistance
150m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Orange
Anthracite
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
L791.4
Power Reserve
42h
40h

Pricing

1 specs
MSRP
$594
$5,900

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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.

LONGINES SPIRIT FLYBACK TITANIUM

The LONGINES SPIRIT FLYBACK TITANIUM is widely praised for its luxurious finishing on titanium, attractive anthracite dial with gold and red accents, and precise COSC-certified L791.4 movement. Owners and reviewers consistently highlight its value as a flyback chronograph with a 68-hour power reserve and 100-meter water resistance. However, its 17mm case thickness is a significant concern for wearability, particularly under sleeves, with some suggesting alternative strap options. On balance, owners and reviewers rate the LONGINES SPIRIT FLYBACK TITANIUM highly for its finishing and value, despite the noted thickness.

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