Side by side

Matterhorn Watch Co. DiveMaster 300vsTudor Black Bay GMT

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

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DiveMaster 300
Matterhorn Watch Co.DiveMaster 300
MSRP $401
Black Bay GMT
TudorBlack Bay GMT
MSRP $5,275
Buy from Matterhorn Watch Co. ↗
Buy used on eBay ↗
Buy from Tudor ↗
Buy used on eBay ↗

At a glance

19 of 29 specs differ
Diameter
DiveMaster 30041mm
Black Bay GMT41mm
Power Reserve
DiveMaster 30042h
Black Bay GMT70h
Water Resistance
DiveMaster 300300m
Black Bay GMT200m
MSRP
DiveMaster 300$401
Black Bay GMT$5,275

Full specifications

Case

7 specs
Category
—
GMT
Thickness
12.8mm
14.6mm
Lug-to-Lug
47mm
46mm
Lug Width
—
22mm
Finish
Brushed and polished
Polished + Satin
Water Resistance
300m
200m
Caseback
Solid
Solid screw-down

Crystal & Dial

4 specs
Crystal Shape
Flat
—
AR Coating
Inner
—
Indices
Applied
—
Lume
BGW9
None

Movement

7 specs
Caliber
Miyota 9015
MT5652
Beat Rate
28,800 vph
0 vph
Power Reserve
42h
70h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
None
GMT

Pricing

1 specs
MSRP
—
$5,275
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