Side by side

Bremont ionBirdvsSternglas Hamburg Pro Automatik

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

ionBird
BremontionBird
MSRP $5,800
Hamburg Pro Automatik
SternglasHamburg Pro Automatik
MSRP $755

At a glance

13 of 29 specs differ
Diameter
ionBird43mm
Hamburg Pro Automatik42mm
Power Reserve
ionBird40h
Hamburg Pro Automatik42h
Water Resistance
ionBird
Hamburg Pro Automatik50m
MSRP
ionBird$5,800
Hamburg Pro Automatik$755

Full specifications

Case

7 specs
Category
Pilot
Sport
Diameter
43mm
42mm
Thickness
12mm
Lug-to-Lug
45mm
Lug Width
20mm
Material
Titanium
Stainless Steel
Water Resistance
50m

Crystal & Dial

2 specs
Dial Color
Regular length (15cm - 19cm wrist size)
Lume
None
Luminova Indizes

Movement

3 specs
Caliber
Miyota 8215
Power Reserve
40h
42h
Jewels
25

Pricing

1 specs
MSRP
$5,800
$755

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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.

Sternglas Hamburg Pro Automatik

Owners widely praise the Sternglas Hamburg Pro Automatik for its Bauhaus-inspired design, German assembly, and excellent value, with many appreciating its comfortable wearability and uncluttered dial. Specific positive notes include a substantial weight that feels good on the wrist and a pleasing matte dial texture. The Miyota 8215 movement is generally considered reliable and surprisingly accurate, though some owners find it louder than expected and note the lack of hacking seconds. Caveats include a minimal instruction manual, an initially stiff strap, and a date window recess that can make the date difficult to see. Owners are split on the case finishing, with some finding it not too bad and nicely polished, while others criticize it. The case is also described by some as thick, making it potentially awkward for long-sleeved shirts. On balance, owners and reviewers rate the Sternglas Hamburg Pro Automatik highly for its attractive Bauhaus design and strong value proposition.

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