Side by side

Baltic Hermétique SummervsGrand Seiko SLGB003

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
SLGB003
Grand SeikoSLGB003
MSRP $11,400
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.

Grand Seiko SLGB003

Grand Seiko SLGB003 owners widely praise its lightness and comfort, with a dial that offers a shifting character in different lighting conditions. Reviewers note its compact case size enhances wearability and versatility across wrist sizes. However, one owner found the dial underwhelming, and another reported a date disc issue with lower numbers not changing correctly. Some question the value proposition at around $10,000, citing the bracelet and dial as potential drawbacks, while others highlight the movement and smaller dimensions as significant positives. On balance, owners rate the Grand Seiko SLGB003 highly for its movement and compact dimensions, despite some reservations about the dial and bracelet.

From video reviewers

The watch's exceptional accuracy is a notable strength, with both reviewers highlighting its precise timekeeping. A weakness is the relatively high price point compared to other Grand Seiko models. Reviewers disagree on the ideal case size, with one reviewer noting it's relatively small at 37mm, while the other doesn't mention case size as a concern.

At a glance

10 of 29 specs differ
Diameter
Hermétique Summer37mm
SLGB00337mm
Power Reserve
Hermétique Summer42h
SLGB00372h
Water Resistance
Hermétique Summer150m
SLGB003100m
MSRP
Hermétique Summer$594
SLGB003$11,400

Full specifications

Case

4 specs
Thickness
10.8mm
11.4mm
Lug-to-Lug
46mm
44.3mm
Material
Stainless Steel
Titanium
Water Resistance
150m
100m

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9039
9RB2
Type
Automatic
Spring Drive
Power Reserve
42h
72h

Pricing

1 specs
MSRP
$594
$11,400
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