Side by side

Matterhorn Watch Co. DiveMaster 300vsSeiko Prospex Sea

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

Prospex Sea
SeikoProspex Sea
MSRP $625

At a glance

11 of 29 specs differ
Diameter
DiveMaster 30041mm
Prospex Sea43.8mm
Power Reserve
DiveMaster 30042h
Prospex Sea41h
Water Resistance
DiveMaster 300300m
Prospex Sea200m
MSRP
DiveMaster 300$401
Prospex Sea$625

Full specifications

Case

5 specs
Category
Diver
Diameter
41mm
43.8mm
Lug-to-Lug
47mm
48.7mm
Lug Width
22mm
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Anti-reflective coating on inner surface
Lume
BGW9
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Miyota 9015
4R35
Power Reserve
42h
41h
Jewels
25
23

Pricing

1 specs
MSRP
$625
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