Which is cheaper, the Serica Ref. 5303 Diving Chronometer or the Trafford Watch Co Daytripper?

At MSRP the Trafford Watch Co Daytripper 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 has better water resistance, the Serica Ref. 5303 Diving Chronometer or the Trafford Watch Co Daytripper?

The Serica Ref. 5303 Diving Chronometer is rated to 300m versus 50m for the Trafford Watch Co Daytripper.

Which has a longer power reserve, the Serica Ref. 5303 Diving Chronometer or the Trafford Watch Co Daytripper?

The Trafford Watch Co Daytripper carries a 42 hours-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 Trafford Watch Co Daytripper?

Both watches run automatic movements — the Serica Ref. 5303 Diving Chronometer uses the M100 COSC and the Trafford Watch Co Daytripper uses the Miyota 9075.

Side by side

Serica Ref. 5303 Diving ChronometervsTrafford Watch Co Daytripper

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

Trafford Watch Co Daytripper

trafford-daytripper

MSRP $799

At a glance

19 of 29 specs differ

Diameter

Ref. 5303 Diving Chronometer39mm

Daytripper39mm

Power Reserve

Ref. 5303 Diving Chronometer42h

Daytripper42 hoursh

Water Resistance

Ref. 5303 Diving Chronometer300m

Daytripper50m

MSRP

Ref. 5303 Diving Chronometer$1,768

Daytripper$799

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

Flat

—

AR Coating

Yes

Inner

Dial Color

Enamel Black

I-40 Black

Indices

Applied

—

Lume

Super-LumiNova

Super-LumiNova BGW9

Movement

5 specs

Caliber

M100 COSC

Miyota 9075

Beat Rate

28,800 vph

Power Reserve

42h

42 hoursh

Jewels

Complications

COSC

None

Pricing

1 specs

MSRP

$1,768

$799

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