Side by side

Sternglas Hamburg Pro AutomatikvsSeiko Prospex SPEEDTIMER Mechanical

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

Hamburg Pro Automatik
SternglasHamburg Pro Automatik
MSRP $755
Prospex SPEEDTIMER Mechanical
SeikoProspex SPEEDTIMER Mechanical
MSRP $995

At a glance

12 of 29 specs differ
Diameter
Hamburg Pro Automatik42mm
Prospex SPEEDTIMER Mechanical39.5mm
Power Reserve
Hamburg Pro Automatik42h
Prospex SPEEDTIMER Mechanical72h
Water Resistance
Hamburg Pro Automatik50m
Prospex SPEEDTIMER Mechanical200m
MSRP
Hamburg Pro Automatik$755
Prospex SPEEDTIMER Mechanical$995

Full specifications

Case

4 specs
Category
Sport
Chronograph
Diameter
42mm
39.5mm
Lug-to-Lug
45mm
44.5mm
Water Resistance
50m
200m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
Luminova Indizes
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
Miyota 8215
6R55
Power Reserve
42h
72h
Jewels
24

Pricing

1 specs
MSRP
$755
$995

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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.

Seiko Prospex SPEEDTIMER Mechanical

The Seiko Prospex SPEEDTIMER Mechanical is praised for its visually appealing design and comfortable wearability, with owners frequently using its chronograph function for daily tasks. Reviewers note its clean dial layout and LumiBrite treated hands and markers, and one source highlights the 72-hour power reserve of the 6R55 movement. However, some owners criticize its chronograph functionality and the 24-hour subdial. On balance, owners and reviewers rate the Seiko Prospex SPEEDTIMER Mechanical highly for its daily usability and refined aesthetics.

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