Side by side

Sternglas Hamburg Pro AutomatikvsOrient Bambino Open Heart

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

Hamburg Pro Automatik
SternglasHamburg Pro Automatik
MSRP $755
Bambino Open Heart
OrientBambino Open Heart
MSRP $315

At a glance

17 of 29 specs differ
Diameter
Hamburg Pro Automatik42mm
Bambino Open Heart40.5mm
Power Reserve
Hamburg Pro Automatik42h
Bambino Open Heart40h
Water Resistance
Hamburg Pro Automatik50m
Bambino Open Heart30m
MSRP
Hamburg Pro Automatik$755
Bambino Open Heart$315

Full specifications

Case

6 specs
Category
Sport
Diameter
42mm
40.5mm
Lug-to-Lug
45mm
46mm
Lug Width
20mm
21mm
Water Resistance
50m
30m
Caseback
Solid
Display

Crystal & Dial

6 specs
Crystal
Sapphire
Mineral
Crystal Shape
Flat
AR Coating
Inner
Dial Color
White
Indices
Applied
Lume
Luminova Indizes
None

Movement

4 specs
Caliber
Miyota 8215
FT622
Beat Rate
28,800 vph
21,600 vph
Power Reserve
42h
40h
Jewels
22

Pricing

1 specs
MSRP
$755
$315

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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.

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.

Orient Bambino Open Heart

Owners widely praise the Orient Bambino Open Heart for its dressy style, clean dial, and reliable in-house F6724 automatic movement with hacking and hand-winding. Reviewers and owners highlight its value proposition, with one owner noting it remains a regular wear even after acquiring pricier watches. Some owners find the build quality and stock strap less premium, with one noting the mineral crystal is prone to scratching and another that the movement can be noisy. The 21mm lug width is cited as making strap swapping slightly more complicated. Overall, owners and reviewers rate the Orient Bambino Open Heart highly for its dressy aesthetic and in-house movement at its price point.

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