Side by side

Sternglas Hamburg Pro AutomatikvsSpinnaker Bradner GMT

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

Hamburg Pro Automatik
SternglasHamburg Pro Automatik
MSRP $755
Bradner GMT
SpinnakerBradner GMT
MSRP $299

At a glance

12 of 29 specs differ
Diameter
Hamburg Pro Automatik42mm
Bradner GMT42mm
Power Reserve
Hamburg Pro Automatik42h
Bradner GMT40h
Water Resistance
Hamburg Pro Automatik50m
Bradner GMT180m
MSRP
Hamburg Pro Automatik$755
Bradner GMT$299

Full specifications

Case

6 specs
Category
Sport
GMT
Thickness
12mm
15mm
Lug-to-Lug
45mm
50mm
Lug Width
20mm
22mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
180m

Crystal & Dial

2 specs
Dial Color
Brown
Lume
Luminova Indizes
None

Movement

3 specs
Caliber
Miyota 8215
Seiko NH34A
Power Reserve
42h
40h
Jewels
25

Pricing

1 specs
MSRP
$755
$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.

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.

Spinnaker Bradner GMT

The Spinnaker Bradner GMT is praised for its awesome lume and comfortable wearability, with one owner noting the rubber strap is very comfortable and the beads of rice bracelet fits well on smaller wrists. Some find its 15mm thickness and bold colorway may not appeal to everyone, and one owner views it as more of a casual GMT with tool-watch styling than a diver. Overall, owners rate the Spinnaker Bradner GMT highly for its value and comfortable wearability.

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