Side by side
Serica Ref. 5303 Diving ChronometervsOrologi Calamai GMT Automatico
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Ref. 5303 Diving Chronometer39mm
GMT Automatico39mm
Power Reserve
Ref. 5303 Diving Chronometer42h
GMT Automatico50h
Water Resistance
Ref. 5303 Diving Chronometer300m
GMT Automatico50m
MSRP
Ref. 5303 Diving Chronometer$1,768
GMT Automatico—
Full specifications
Case
5 specsCategory
Diver
—
Thickness
12.2mm
10.5mm
Lug-to-Lug
46.5mm
47.5mm
Material
Stainless Steel
Unknown
Water Resistance
300m
50m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Black
Lume
Super-LumiNova
None
Movement
3 specsCaliber
M100 COSC
Sellita SW330-2 Top
Power Reserve
42h
50h
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
—
More watches worth a look
Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.
Follow this matchup
Get a note when Serica Ref. 5303 Diving Chronometer vs Orologi Calamai GMT Automatico gets more votes, a community discussion, or a price drop. No account needed.
People also compared
Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.
Serica Ref. 5330 Diving Chronometer DatevsOrologi Calamai GMT AutomaticoOrologi Calamai GMT AutomaticovsHelgray Poseidon Diver (Automatic)Boldr CharizardvsOrologi Calamai GMT AutomaticoOrologi Calamai GMT AutomaticovsBoldr The T Rex By Boldr X NitecoreSerica Ref. 5303 Diving ChronometervsBrillier GMT (DUAL TIME) Mechanical Automatic Round 38 mm Gold Case Black FaceSerica Ref. 5303 Diving ChronometervsSheffield GMT