Side by side

Serica Ref. 5303 Diving ChronometervsNodus Sector Deep

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
Sector Deep
NodusSector Deep
MSRP $650

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Sector Deep38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Sector Deep41h
Water Resistance
Ref. 5303 Diving Chronometer300m
Sector Deep500m
MSRP
Ref. 5303 Diving Chronometer$1,768
Sector Deep$650

Full specifications

Case

4 specs
Diameter
39mm
38mm
Thickness
12.2mm
13.6mm
Lug-to-Lug
46.5mm
47mm
Water Resistance
300m
500m

Crystal & Dial

2 specs
Dial Color
Enamel Black
Lume
Super-LumiNova
Swiss Super-LumiNova® BGW9 Grade A

Movement

4 specs
Caliber
M100 COSC
TMI NH35
Power Reserve
42h
41h
Jewels
25
24
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$650

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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.

Nodus Sector Deep

The Nodus Sector Deep is widely praised for its excellent value, offering robust tool watch features like 500m water resistance and a precise 120-click bezel. Reviewers note its sandblasted steel case and excellent lume. However, the destro crown can be difficult to grip, and some find the bracelet lacks premium finishing. On balance, reviewers consider the Nodus Sector Deep a rugged, feature-packed tool watch offering exceptional value.

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