Side by side
Serica Ref. 5303 Diving ChronometervsSerket Watch Co Blackpool GMT
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
Blackpool GMT40mm
Power Reserve
Ref. 5303 Diving Chronometer42h
Blackpool GMT—
Water Resistance
Ref. 5303 Diving Chronometer300m
Blackpool GMT200m
MSRP
Ref. 5303 Diving Chronometer$1,768
Blackpool GMT$379
Full specifications
Case
5 specsCategory
Diver
—
Diameter
39mm
40mm
Thickness
12.2mm
11.5mm
Lug-to-Lug
46.5mm
47mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
Yes
Inner
Dial Color
Enamel Black
Beige
Lume
Super-LumiNova
SuperLuminova
Movement
3 specsCaliber
M100 COSC
Seiko NH34
Power Reserve
42h
—
Complications
COSC
None
Pricing
1 specsMSRP
$1,768
$379
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