Side by side

Baltic Hermétique Tourer BronzevsSeestern S450 Ocean Star

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

Hermétique Tourer Bronze
BalticHermétique Tourer Bronze
MSRP $648
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Hermétique Tourer Bronze37mm
S450 Ocean Star40mm
Power Reserve
Hermétique Tourer Bronze42h
S450 Ocean Star41h
Water Resistance
Hermétique Tourer Bronze150m
S450 Ocean Star100m
MSRP
Hermétique Tourer Bronze$648
S450 Ocean Star$299

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
37mm
40mm
Thickness
10mm
12mm
Lug-to-Lug
46mm
48mm
Material
Bronze
316L Stainless Steel
Water Resistance
150m
100m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Blue
White
Lume
BGW9
Tritium

Movement

5 specs
Caliber
Miyota 9039
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$648
$299

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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 Tourer Bronze

The Baltic Hermétique Tourer Bronze is widely praised for its vintage-inspired aesthetic, featuring a bronze case and a smoked dial that develops a unique patina. Owners and reviewers highlight its comfortable wearability, noting the slim case profile and manageable lug-to-lug distance. The watch offers 150 meters of water resistance, supported by a recessed crown that contributes to its silhouette, though some find it tricky to grip. It is powered by the Miyota 9039 movement, which provides a 42-hour power reserve and a smooth seconds hand sweep, with accuracy reported between -10/+30 seconds per day. Overall, the Baltic Hermétique Tourer Bronze is highly regarded for its attractive design and comfortable wearability at its price point.

From video reviewers

The watch's slim profile and comfortable fit are consistently praised. Reviewers note the bronze case develops a unique patina. No shared weaknesses were identified.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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