Side by side

Serica Ref. 5303 Diving ChronometervsNodus Duality II - Night Shade LE

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
Duality II - Night Shade LE
NodusDuality II - Night Shade LE
MSRP $925

At a glance

11 of 29 specs differ
Diameter
Ref. 5303 Diving Chronometer39mm
Duality II - Night Shade LE40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Duality II - Night Shade LE41h
Water Resistance
Ref. 5303 Diving Chronometer300m
Duality II - Night Shade LE300m
MSRP
Ref. 5303 Diving Chronometer$1,768
Duality II - Night Shade LE$925

Full specifications

Case

3 specs
Diameter
39mm
40mm
Thickness
12.2mm
11.5mm
Lug-to-Lug
46.5mm
48mm

Crystal & Dial

3 specs
Crystal Shape
Flat
Box
Dial Color
Enamel Black
Lume
Super-LumiNova
Swiss Super-LumiNova® Old Radium X1 Grade

Movement

4 specs
Caliber
M100 COSC
Miyota Cal.9015 Premium Automatic
Power Reserve
42h
41h
Jewels
25
24
Complications
COSC
None

Pricing

1 specs
MSRP
$1,768
$925

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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 Duality II - Night Shade LE

Owners widely praise the Nodus Duality II - Night Shade LE's refined case proportions, with a thinner profile enhancing on-wrist comfort, and an elegant, legible dial. The bracelet and clasp package also receive positive mentions for their functionality and quick-release system. However, opinions on value are divided, with one owner finding it overpriced at $868 due to a loud rotor and perceived lower-budget movement, while others argue US assembly and the Miyota 9000 series movement justify the cost and that Nodus's finishing and design are superior. Some may miss the luminous crowns found on the original model. Overall, owners and reviewers generally rate the Nodus Duality II - Night Shade LE highly for its improved finishing and wearability.

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