Side by side

Baltic Hermétique SummervsLongines SPIRIT PILOT

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
SPIRIT PILOT
LonginesSPIRIT PILOT
MSRP $3,100

At a glance

20 of 29 specs differ
Diameter
Hermétique Summer37mm
SPIRIT PILOT39mm
Power Reserve
Hermétique Summer42h
SPIRIT PILOT72h
Water Resistance
Hermétique Summer150m
SPIRIT PILOT100m
MSRP
Hermétique Summer$594
SPIRIT PILOT$3,100

Full specifications

Case

7 specs
Category
Dress
Pilot
Diameter
37mm
39mm
Thickness
10.8mm
11.5mm
Lug-to-Lug
46mm
47.2mm
Finish
Brushed and polished
Water Resistance
150m
100m
Caseback
Solid
Screw-down case back

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Yes
Both sides
Dial Color
Orange
Black
Indices
Applied
Applied Arabic numerals
Lume
BGW9
Super-LumiNova

Movement

7 specs
Caliber
Miyota 9039
L888.4
Beat Rate
28,800 vph
25,200 vph
Power Reserve
42h
72h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds

Pricing

1 specs
MSRP
$594
$3,100

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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 PILOT

Owners widely praise the Longines Spirit Pilot for its exceptional finishing, featuring sharp edges and crisp transitions, and its improved wearability thanks to a reduced 39mm case size and 47.2mm lug-to-lug distance. Reviewers and owners alike highlight the clean, balanced dial with gilt-toned accents that play with light, and its excellent legibility and lume. The L888.4 automatic movement is noted for its 72-hour power reserve and COSC certification. Some owners feel the Longines Spirit Pilot wears larger than its 39mm diameter and express disappointment over the removal of the five stars from the dial, while others find its bracelet endlinks long and lament the lack of quick-release. One owner voices concern over the serviceability of exclusive movements. Overall, owners rate the Longines Spirit Pilot highly for its modern icon status and value, feeling it wears more expensively than its price point suggests.

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