Side by side

Serica Ref. 5303 Diving ChronometervsStudio Underd0g Smoked Salmon

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
Smoked Salmon
Studio Underd0gSmoked Salmon
MSRP $1,750

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Smoked Salmon38.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Smoked Salmon40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Smoked Salmon50m
MSRP
Ref. 5303 Diving Chronometer$1,768
Smoked Salmon$1,750

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
39mm
38.5mm
Thickness
12.2mm
16mm
Lug-to-Lug
46.5mm
44.5mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
300m
50m

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Salmon
Lume
Super-LumiNova
None

Movement

3 specs
Caliber
M100 COSC
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$1,750

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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.

Studio Underd0g Smoked Salmon

Owners widely praise the Studio Underd0g Smoked Salmon's clean, elegant design and unique appeal, with some appreciating its simple, unbranded look and others noting its conversation-starting ability. The watch features a two-layered, metallic salmon-skin-inspired dial housed in a 38.5mm stainless steel case. It is powered by a Swiss-made Sellita SW510 M MP b monopusher chronograph movement, with advertised accuracy of ±5 seconds per day. Some owners find the £1700/€1,800 price point high, and one owner noted a "raised glass fishbowl over the dial." Overall, owners rate the Studio Underd0g Smoked Salmon highly for its unique dial design and conversation-starting appeal.

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