Side by side

Bremont ionBirdvsSugess Seestern S434 Pro Diver

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

ionBird
BremontionBird
MSRP $5,800
Seestern S434 Pro Diver
SugessSeestern S434 Pro Diver
MSRP $249

At a glance

14 of 29 specs differ
Diameter
ionBird43mm
Seestern S434 Pro Diver40mm
Power Reserve
ionBird40h
Seestern S434 Pro Diver40h
Water Resistance
ionBird
Seestern S434 Pro Diver200m
MSRP
ionBird$5,800
Seestern S434 Pro Diver$249

Full specifications

Case

8 specs
Category
Pilot
Diver
Diameter
43mm
40mm
Thickness
12mm
Lug-to-Lug
46mm
Lug Width
20mm
Material
Titanium
Stainless Steel/Rose Gold
Water Resistance
200m
Caseback
Solid
Engraved

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
2 Salmon
Lume
None
Super-LumiNova BGW9

Movement

3 specs
Caliber
NH35
Beat Rate
28,800 vph
3 vph
Complications
None
GMT, Chronograph, Moonphase, Date

Pricing

1 specs
MSRP
$5,800
$249

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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.

Bremont ionBird

Owners report the Bremont ionBird is overpriced and features a printed dial with a poorly placed date window at 4:30, which some find visually disruptive. However, some owners suggest its case finishing is superior to competitors. The 43mm titanium Bremont ionBird GMT is powered by a COSC-certified BE-93-2AV automatic movement and retails for $5,795. On balance, owners and reviewers find the Bremont ionBird's date window placement and price point to be significant drawbacks.

Sugess Seestern S434 Pro Diver

Owners widely praise the Sugess Seestern S434 Pro Diver for its impressive finishing and craftsmanship at its price point, highlighting the applied indices that play with light, excellent BGW9 lume, and attractive color options. Specific positive notes include the domed sapphire crystal, short lug-to-lug, and on-the-fly clasp adjustment. However, some owners report quality control issues such as misaligned bezels or indices, while others with V2 models experience no such problems. Caveats include slight bezel back play, light AR coating on the crystal, and a clasp that could be smoother, with one owner desiring a color-matched date wheel. On balance, owners rate the Sugess Seestern S434 Pro Diver highly for its exceptional value and build quality, particularly the dial finishing and lume.

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