Side by side

Baltic Hermétique SummervsGrand Seiko SLGW007

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
SLGW007
Grand SeikoSLGW007
MSRP $10,000

At a glance

10 of 29 specs differ
Diameter
Hermétique Summer37mm
SLGW00738.6mm
Power Reserve
Hermétique Summer42h
SLGW00780h
Water Resistance
Hermétique Summer150m
SLGW00730m
MSRP
Hermétique Summer$594
SLGW007$10,000

Full specifications

Case

4 specs
Diameter
37mm
38.6mm
Thickness
10.8mm
9.95mm
Lug-to-Lug
46mm
45mm
Water Resistance
150m
30m

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
BGW9
None

Movement

3 specs
Caliber
Miyota 9039
9SA4
Type
Automatic
Manual
Power Reserve
42h
80h

Pricing

1 specs
MSRP
$594
$10,000

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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.

Grand Seiko SLGW007

Grand Seiko SLGW007 owners and reviewers praise its compact 38.6mm x 9.95mm Evolution 9 case and the textured "Moonlit Birch" dial, described as moody, elegant, and captivating. The technically credible 9SA4 hand-wound movement with an 80-hour power reserve is also highlighted. Its 30m water resistance and lack of lume are noted as appropriate for a dress watch. Overall, owners and reviewers rate the Grand Seiko SLGW007 highly for its refined case, captivating dial, and updated movement.

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