Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Nodus Sentinel for AMMO NYC?

At MSRP the Nodus Sentinel for AMMO NYC is the cheaper of the two at $999, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $769 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Nodus Sentinel for AMMO NYC?

The Nodus Sentinel for AMMO NYC wears larger at 41mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 2mm difference across the dial.

Which has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Nodus Sentinel for AMMO NYC?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 200m for the Nodus Sentinel for AMMO NYC.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Nodus Sentinel for AMMO NYC?

The Nodus Sentinel for AMMO NYC carries a 68-hour power reserve against 42 hours on the Serica Ref. 5303 Diving Chronometer.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Nodus Sentinel for AMMO NYC?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Nodus Sentinel for AMMO NYC uses the Manufacture La Joux-Perret G101.

Side by side

Serica Ref. 5303 Diving ChronometervsNodus Sentinel for AMMO NYC

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Serica Ref. 5303 Diving Chronometer

5303-1-diving-chronometer

MSRP $1,768

Nodus Sentinel for AMMO NYC

sentinel

MSRP $999

At a glance

13 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Sentinel for AMMO NYC41mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Sentinel for AMMO NYC68h

Water Resistance

Ref. 5303 Diving Chronometer300m

Sentinel for AMMO NYC200m

MSRP

Ref. 5303 Diving Chronometer$1,768

Sentinel for AMMO NYC$999

Full specifications

Case

5 specs

Crystal & Dial

3 specs

Crystal Shape

Flat

Domed

Dial Color

Enamel Black

Gray

Lume

Super-LumiNova

Swiss Super-LumiNova® BGW9 Grade A

Movement

4 specs

Caliber

M100 COSC

Manufacture La Joux-Perret G101

Power Reserve

42h

68h

Jewels

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$999

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