Side by side

Sternglas Hamburg Pro AutomatikvsSeestern S446 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
S446 GMT
SeesternS446 GMT
MSRP $299

At a glance

15 of 29 specs differ
Diameter
Hamburg Pro Automatik42mm
S446 GMT39.5mm
Power Reserve
Hamburg Pro Automatik42h
S446 GMT41hh
Water Resistance
Hamburg Pro Automatik50m
S446 GMT100m
MSRP
Hamburg Pro Automatik$755
S446 GMT$299

Full specifications

Case

6 specs
Category
Sport
GMT
Diameter
42mm
39.5mm
Thickness
12mm
13mm
Lug-to-Lug
45mm
47mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
50m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Domed
Dial Color
Cream
Lume
Luminova Indizes
None

Movement

5 specs
Caliber
Miyota 8215
Seiko NH34A GMT
Beat Rate
28,800 vph
3 vph
Power Reserve
42h
41hh
Jewels
24
Complications
None
GMT, Date

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.

Seestern S446 GMT

Owners widely praise the Seestern S446 GMT for its stunning finishing and extreme value, with a sapphire crystal and adjustable clasp. The winding action is noted as buttery smooth, and the 39.5mm case size is considered very wearable. Some owners, however, flag the lume as a weak point and one owner found the bracelet clasp lacked sufficient micro-adjustment. The Seestern S446 GMT is considered an extreme value for the dollar. Overall, owners rate the Seestern S446 GMT highly for its exceptional finishing and value proposition at its price point.

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