Side by side

Serica Ref. 5303 Diving ChronometervsSartory Billard SB05

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

At a glance

13 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
SB0538.5mm
Power Reserve
Ref. 5303 Diving Chronometer42h
SB0590h
Water Resistance
Ref. 5303 Diving Chronometer300m
SB0550m
MSRP
Ref. 5303 Diving Chronometer$1,768
SB05

Full specifications

Case

5 specs
Category
Diver
Dress
Diameter
39mm
38.5mm
Thickness
12.2mm
8.5mm
Lug-to-Lug
46.5mm
45.5mm
Water Resistance
300m
50m

Crystal & Dial

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

Movement

4 specs
Caliber
M100 COSC
LJP Cal. 7380
Type
Automatic
Manual
Power Reserve
42h
90h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768

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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.

Sartory Billard SB05

The dial's Maki-e Raden and aventurine combination is a standout feature. The 38.5mm case size and slim profile are noted for comfort.

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