Side by side

Sternglas Hamburg Pro AutomatikvsGrand Seiko SLGA015

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

Hamburg Pro Automatik
SternglasHamburg Pro Automatik
MSRP $755
SLGA015
Grand SeikoSLGA015
MSRP $12,600

At a glance

15 of 29 specs differ
Diameter
Hamburg Pro Automatik42mm
SLGA01543.8mm
Power Reserve
Hamburg Pro Automatik42h
SLGA015120h
Water Resistance
Hamburg Pro Automatik50m
SLGA015200m
MSRP
Hamburg Pro Automatik$755
SLGA015$12,600

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
42mm
43.8mm
Thickness
12mm
13.8mm
Lug-to-Lug
45mm
51.5mm
Lug Width
20mm
23mm
Material
Stainless Steel
Titanium
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
Black
Lume
Luminova Indizes
None

Movement

4 specs
Caliber
Miyota 8215
9RA5
Type
Automatic
Spring Drive
Power Reserve
42h
120h
Jewels
25

Pricing

1 specs
MSRP
$755
$12,600

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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.

Grand Seiko SLGA015

The Grand Seiko SLGA015 is widely praised for its exceptional accuracy, with owners reporting performance far exceeding the stated 10 seconds per month. The Spring Drive movement's smooth sweep and 5-day power reserve are also noted strengths, as is the lighter titanium case construction. However, some owners find the bracelet extension non-intuitive, and one noted the clasp scratched easily. The watch features a nature-inspired, wave-like dial texture. Overall, owners rate the Grand Seiko SLGA015 highly for its impressive accuracy and quality construction.

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