Side by side

Serica Ref. 5303 Diving ChronometervsSternglas Hamburg Automatik

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

Ref. 5303 Diving Chronometer
SericaRef. 5303 Diving Chronometer
MSRP $1,768
Hamburg Automatik
SternglasHamburg Automatik
MSRP $463

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Hamburg Automatik42mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Hamburg Automatik42h
Water Resistance
Ref. 5303 Diving Chronometer300m
Hamburg Automatik50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Hamburg Automatik$463

Full specifications

Case

5 specs
Category
Diver
Sport
Diameter
39mm
42mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
45mm
Water Resistance
300m
50m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Lume
Super-LumiNova
Luminova

Movement

4 specs
Caliber
M100 COSC
Miyota 8215
Power Reserve
42h
42h
Jewels
25
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$463

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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.

Serica Ref. 5303 Diving Chronometer

Owners widely praise the Serica Ref. 5303 Diving Chronometer for its excellent wearability, definitive style, and smooth, confident bezel action. The dual scale on the bezel is noted as surprisingly useful, and the crown action, winding, and hacking are reported to work perfectly. One owner describes the Serica 5303-3 as gorgeous and unique, though another notes the crown can appear comically large. On balance, owners rate the Serica Ref. 5303 Diving Chronometer highly for its blend of unique design and robust functionality.

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.

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