Side by side

Borealis Watch Co. Caloura 300mvsStraton Straton Syncro MKII Mechanical Chrono

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
Straton Syncro MKII Mechanical Chrono
StratonStraton Syncro MKII Mechanical Chrono
MSRP $599

At a glance

20 of 29 specs differ
Diameter
Caloura 300m42mm
Straton Syncro MKII Mechanical Chrono40mm
Power Reserve
Caloura 300m40h
Straton Syncro MKII Mechanical Chrono—
Water Resistance
Caloura 300m300m
Straton Syncro MKII Mechanical Chrono100m
MSRP
Caloura 300m$275
Straton Syncro MKII Mechanical Chrono$599

Full specifications

Case

9 specs
Category
Diver
Chronograph
Diameter
42mm
40mm
Thickness
13.9mm
12.4mm
Lug-to-Lug
44.20mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
—
Water Resistance
300m
100m
Caseback
Solid
Sapphire crystal

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
—
Indices
Applied
—
Lume
BGW9
None

Movement

5 specs
Caliber
NH35
Seagull ST19
Type
Automatic
Manual
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$275
$599

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