Side by side

Beaufort AerotimervsMatterhorn Watch Co. DiveMaster 300

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

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Aerotimer
BeaufortAerotimer
MSRP $599
DiveMaster 300
Matterhorn Watch Co.DiveMaster 300
MSRP $401
Buy from Beaufort ↗
Buy used on eBay ↗
Buy from Matterhorn Watch Co. ↗
Buy used on eBay ↗

At a glance

10 of 29 specs differ
Diameter
Aerotimer40mm
DiveMaster 30041mm
Power Reserve
Aerotimer42h
DiveMaster 30042h
Water Resistance
Aerotimer100m
DiveMaster 300300m
MSRP
Aerotimer$599
DiveMaster 300$401

Full specifications

Case

5 specs
Diameter
40mm
41mm
Thickness
11.45mm
12.8mm
Lug-to-Lug
48.5mm
47mm
Lug Width
22mm
—
Water Resistance
100m
300m

Crystal & Dial

2 specs
Dial Color
Navy
Black
Lume
C1 Super-LumiNova applied to 3hr, 6hr, 9hr, and 12hr indices and hands for low-l
BGW9

Movement

2 specs
Caliber
STP 1-11
Miyota 9015
Power Reserve
42h
42h

Pricing

1 specs
MSRP
$599
—
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