Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Boldr Odyssey 40mm?

At MSRP the Boldr Odyssey 40mm is the cheaper of the two at $799, against $1,768 for the Serica Ref. 5303 Diving Chronometer — a $969 gap before any retailer discounting.

Which is bigger, the Serica Ref. 5303 Diving Chronometer or the Boldr Odyssey 40mm?

The Boldr Odyssey 40mm wears larger at 40mm versus 39mm for the Serica Ref. 5303 Diving Chronometer — a 1mm difference across the dial.

What movement does the Serica Ref. 5303 Diving Chronometer run compared to the Boldr Odyssey 40mm?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Boldr Odyssey 40mm uses the Miyota.

Side by side

Serica Ref. 5303 Diving ChronometervsBoldr Odyssey 40mm

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

Boldr Odyssey 40mm

odyssey-aurora

MSRP $799

At a glance

8 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Odyssey 40mm40mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Odyssey 40mm42h

Water Resistance

Ref. 5303 Diving Chronometer300m

Odyssey 40mm300m

MSRP

Ref. 5303 Diving Chronometer$1,768

Odyssey 40mm$799

Full specifications

Case

4 specs

Diameter

39mm

40mm

Thickness

12.2mm

12.5mm

Lug-to-Lug

46.5mm

48mm

Material

Stainless Steel

Titanium

Crystal & Dial

1 specs

Dial Color

Enamel Black

Aurora

Movement

2 specs

Caliber

M100 COSC

Miyota

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$799

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