Side by side

Baltic Hermétique SummervsSugess Seestern Heritage S436-2 BB GMT

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

Hermétique Summer
BalticHermétique Summer
MSRP $594
Seestern Heritage S436-2 BB GMT
SugessSeestern Heritage S436-2 BB GMT
MSRP $299
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.

Sugess Seestern Heritage S436-2 BB GMT

Owners widely praise the Sugess Seestern Heritage S436-2 BB GMT for its 39mm sizing, 12mm thinness, and light yet solid feel, with many appreciating its legibility due to the matte dial, clear crystal, and strong lume, though one owner flags the lume as a weak point. The case finishing is considered excellent, and the blue dial and satin finish are favorably compared to alternatives. Some owners report issues with a loose bezel, with others finding it improved after tuning, and one owner notes the seconds hand is too short. The bracelet clasp lacks sufficient micro-adjustment and screw pins are difficult to remove. On balance, owners rate the Sugess Seestern Heritage S436-2 BB GMT highly for its comfortable wearability and attractive finishing at the price.

At a glance

13 of 29 specs differ
Diameter
Hermétique Summer37mm
Seestern Heritage S436-2 BB GMT40mm
Power Reserve
Hermétique Summer42h
Seestern Heritage S436-2 BB GMT35h
Water Resistance
Hermétique Summer150m
Seestern Heritage S436-2 BB GMT10m
MSRP
Hermétique Summer$594
Seestern Heritage S436-2 BB GMT$299

Full specifications

Case

5 specs
Category
Dress
GMT
Diameter
37mm
40mm
Thickness
10.8mm
12.2mm
Lug-to-Lug
46mm
48mm
Water Resistance
150m
10m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Orange
Black
Lume
BGW9
Tritium

Movement

4 specs
Caliber
Miyota 9039
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
35h
Complications
None
GMT, Moonphase, Date

Pricing

1 specs
MSRP
$594
$299
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