Side by side
Serica Ref. 5330 Diving Chronometer DatevsBorealis Watch Co. Estoril 300 GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Ref. 5330 Diving Chronometer Date39mm
Estoril 300 GMT41.50mm
Power Reserve
Ref. 5330 Diving Chronometer Date42h
Estoril 300 GMT40h
Water Resistance
Ref. 5330 Diving Chronometer Date300m
Estoril 300 GMT300m
MSRP
Ref. 5330 Diving Chronometer Date$2,005
Estoril 300 GMT$600
Full specifications
Case
4 specsDiameter
39mm
41.50mm
Thickness
12.2mm
13.5mm
Lug-to-Lug
46.5mm
47mm
Lug Width
20mm
20mm
Crystal & Dial
2 specsAR Coating
Yes
Inner
Lume
Super-LumiNova
BGW9
Movement
3 specsCaliber
SoProd M100
Miyota 9075
Power Reserve
42h
40h
Complications
COSC, Date
None
Pricing
1 specsMSRP
$2,005
$600
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