Side by side

Serica Ref. 5303 Diving ChronometervsCWC SBS 1987 Aged Special

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
SBS 1987 Aged Special
CWCSBS 1987 Aged Special
MSRP $1,083

At a glance

10 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
SBS 1987 Aged Special40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
SBS 1987 Aged Special40h
Water Resistance
Ref. 5303 Diving Chronometer300m
SBS 1987 Aged Special300m
MSRP
Ref. 5303 Diving Chronometer$1,768
SBS 1987 Aged Special$1,083

Full specifications

Case

3 specs
Diameter
39mm
40mm
Thickness
12.2mm
12mm
Lug-to-Lug
46.5mm
46mm

Crystal & Dial

2 specs
AR Coating
Yes
Inner
Dial Color
Enamel Black
SBS 1987 Aged Special

Movement

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

Pricing

1 specs
MSRP
$1,768
$1,083

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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 SBS 1987 Aged Special

Owners widely praise the CWC SBS 1987 Aged Special for its rugged build and military heritage, with some finding its quality comparable to higher-end watches. A reviewer notes the 41mm PVD-coated watch features a bright SuperLuminova dial. One owner reports a bit of play in the 60-click bezel, present from new, alongside minor wear on the PVD coating and bezel insert. On balance, owners rate the CWC SBS 1987 Aged Special highly for its rugged build and military heritage, despite some questioning its value at £700.

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