Side by side

Borealis Watch Co. Caloura 300mvsLongines MASTER COLLECTION

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

Caloura 300m
Borealis Watch Co.Caloura 300m
MSRP $275
MASTER COLLECTION
LonginesMASTER COLLECTION
MSRP $6,350

At a glance

21 of 29 specs differ
Diameter
Caloura 300m42mm
MASTER COLLECTION25.5mm
Power Reserve
Caloura 300m40h
MASTER COLLECTION45h
Water Resistance
Caloura 300m300m
MASTER COLLECTION30m
MSRP
Caloura 300m$275
MASTER COLLECTION$6,350

Full specifications

Case

9 specs
Category
Diver
Diameter
42mm
25.5mm
Thickness
13.9mm
9mm
Lug-to-Lug
44.20mm
30.6mm
Lug Width
22mm
13mm
Material
Stainless Steel
Gold
Finish
Brushed and polished
Water Resistance
300m
30m
Caseback
Solid
Transparent case back with sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Black
Silver
Indices
Applied
Painted Arabic numerals
Lume
BGW9
Super-LumiNova

Movement

6 specs
Caliber
NH35
L592.5
Power Reserve
40h
45h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
Hours, minutes, seconds and date

Pricing

1 specs
MSRP
$275
$6,350

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