Borealis Watch Co. Caloura 300mvsBoldr Marine

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Borealis Watch Co. Caloura 300m at true scale

Caloura 300m

Boldr Marine at true scale

Marine

Diameter

42mm

40mm

Lug-to-Lug

44.2mm

lowest

46mm

Thickness

13.9mm

12.3mm

lowest

Water Resistance

300m

highest

200m

MSRP

$275

lowest

$439

Movement

Seiko NH35

Seiko NH35

Case

6 specs
Category
Diver
Tool
Diameter
42mm
40mm
Thickness
13.9mm
12.3mm
Lug-to-Lug
44.2mm
46mm
Lug Width
22mm
20mm
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
n/a
Yes
Dial Color
n/a
Defender Elewana
Lume
BGW9
Super-LumiNova

Pricing

1 specs
MSRP
$275
$439
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