Side by side

Serica Ref. 5303 Diving ChronometervsCWC Cabot Sea Falcon Watch

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
Cabot Sea Falcon Watch
CWCCabot Sea Falcon Watch
MSRP $749

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Cabot Sea Falcon Watch41mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Cabot Sea Falcon Watch40h
Water Resistance
Ref. 5303 Diving Chronometer300m
Cabot Sea Falcon Watch200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Cabot Sea Falcon Watch$749

Full specifications

Case

4 specs
Diameter
39mm
41mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
47mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
Cabot Sea Falcon Watch

Movement

4 specs
Caliber
M100 COSC
Ronda 5030
Type
Automatic
Quartz
Power Reserve
42h
40h
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$749

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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.

CWC Cabot Sea Falcon Watch

The CWC Cabot Sea Falcon Watch is praised for its vintage appeal, enhanced by a domed sapphire crystal and a brushed/satin case finish. Owners find the 41mm size and thinness contribute to good wearability, even on a 7-inch wrist. Some debate exists regarding its value proposition at over $800 for a quartz movement, though others defend it as a low-production, collectible Swiss-made item. Overall, owners value the CWC Cabot Sea Falcon Watch for its refined finishing and wearability, with some appreciating its collectible status beyond its price point.

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