Side by side

Serica Ref. 5303 Diving ChronometervsNodus Sector II Field Titanium

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 II Field Titanium
NodusSector II Field Titanium
MSRP $550

At a glance

14 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Sector II Field Titanium38mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Sector II Field Titanium41h
Water Resistance
Ref. 5303 Diving Chronometer300m
Sector II Field Titanium100m
MSRP
Ref. 5303 Diving Chronometer$1,768
Sector II Field Titanium$550

Full specifications

Case

6 specs
Category
Diver
Field
Diameter
39mm
38mm
Thickness
12.2mm
11.7mm
Lug-to-Lug
46.5mm
47mm
Material
Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
Dial Color
Enamel Black
Lume
Super-LumiNova
Swiss Super-LumiNova® BGW9 Grade A

Movement

4 specs
Caliber
M100 COSC
TMI NH38
Power Reserve
42h
41h
Jewels
25
24
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.

Nodus Sector II Field Titanium

The Nodus Sector II Field Titanium is lauded for its comfortable, thinner 38mm titanium case with a matte, media-blasted finish and scratch-resistant coating, a standout layered dial design, and a comfortable TecTuff rubber strap. Reviewers note its tough, affordable tool watch nature, featuring olive green Ceracote on the titanium case and a tropical dial with Super-LumiNova BGW9 lume. The TMI NH38 movement provides a 41-hour power reserve, and accuracy is regulated to +/-10 seconds per day. The all-matte finishing lacks the visual refinement of polished elements found on other Nodus models. Overall, reviewers praise the Nodus Sector II Field Titanium for its durable construction and distinctive design at an accessible price point.

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