Side by side

Serica Ref. 5303 Diving ChronometervsStudio Underd0g Desert Sky (Gen3)

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
Desert Sky (Gen3)
Studio Underd0gDesert Sky (Gen3)
MSRP $550

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Desert Sky (Gen3)38.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Desert Sky (Gen3)40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Desert Sky (Gen3)
MSRP
Ref. 5303 Diving Chronometer$1,768
Desert Sky (Gen3)$550

Full specifications

Case

6 specs
Category
Diver
Chronograph
Diameter
39mm
38.5mm
Thickness
12.2mm
Lug-to-Lug
46.5mm
Lug Width
20mm
Water Resistance
300m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$1,768
$550

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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 Desert Sky (Gen3)

Owners widely praise the Studio Underd0g Desert Sky (Gen3) for its vibrant blue dial that exhibits depth and liveliness under varying light, its fun and creative design, and its value as a mechanical chronograph. The Seagull 1901 movement provides column-wheel chronograph functionality, with one owner reporting accuracy around +6 seconds per day and satisfying chronograph pusher feel. However, the watch is criticized for a highly reflective, overly domed crystal and weak lume. Some owners find the 13.6mm thickness to be substantial. On balance, owners rate the Studio Underd0g Desert Sky (Gen3) highly for its engaging dial and value proposition as a mechanical chronograph.

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