Side by side

Baltic Hermétique SummervsGrand Seiko SBGM245

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
SBGM245
Grand SeikoSBGM245
MSRP $6,100
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 SBGM245

Owners widely appreciate the Grand Seiko SBGM245 for its blend of sport and luxury, with one enthusiast highlighting its superior workmanship over quartz movements. However, opinions on its size vary, as one owner found the SBGM245 too large, preferring the comfort of a different variant. Overall, owners value the Grand Seiko SBGM245 for its refined craftsmanship, though its wearability is a point of personal preference.

At a glance

10 of 29 specs differ
Diameter
Hermétique Summer37mm
SBGM24540.5mm
Power Reserve
Hermétique Summer42h
SBGM24572h
Water Resistance
Hermétique Summer150m
SBGM245200m
MSRP
Hermétique Summer$594
SBGM245$6,100

Full specifications

Case

5 specs
Category
Dress
GMT
Diameter
37mm
40.5mm
Thickness
10.8mm
14.4mm
Lug-to-Lug
46mm
48.6mm
Water Resistance
150m
200m

Crystal & Dial

2 specs
Dial Color
Orange
Black
Lume
BGW9
None

Movement

2 specs
Caliber
Miyota 9039
9S66
Power Reserve
42h
72h

Pricing

1 specs
MSRP
$594
$6,100
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