Side by side

Sternglas Hamburg AutomatikvsSeiko Prospex Sea Save the Ocean Special Edition

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

Hamburg Automatik
SternglasHamburg Automatik
MSRP $463

At a glance

13 of 29 specs differ
Diameter
Hamburg Automatik42mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Hamburg Automatik42h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Hamburg Automatik50m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Hamburg Automatik$463
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs
Category
Sport
Diver
Diameter
42mm
45mm
Thickness
12mm
13.2mm
Lug-to-Lug
45mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
50m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Dial Color
Black
Lume
Luminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 8215
4R36
Power Reserve
42h
41h
Jewels
24

Pricing

1 specs
MSRP
$463
$625

Follow this matchup

Get a note when Sternglas Hamburg Automatik vs Seiko Prospex Sea Save the Ocean Special Edition gets more votes, a community discussion, or a price drop. No account needed.

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 Automatik

Owners praise the Sternglas Hamburg Automatik's handsome design and good build quality for the price. The watch features a gold PVD case and a matte blue dial with orange Super-LumiNova, and its 42mm diameter wears well due to a short lug-to-lug distance. The Miyota 8215 movement is accurate to -20/+40 seconds per day. On balance, reviewers and owners appreciate the Sternglas Hamburg Automatik for its unique design and value.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.