Side by side
Elliot Brown BEACHMASTER AUTOMATIC: Test slicevsSeiko Prospex Sea 1968 Heritage Diver's GMT
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
BEACHMASTER AUTOMATIC: Test slice40mm
Prospex Sea 1968 Heritage Diver's GMT42mm
Power Reserve
BEACHMASTER AUTOMATIC: Test slice56h
Prospex Sea 1968 Heritage Diver's GMT72h
Water Resistance
BEACHMASTER AUTOMATIC: Test slice300m
Prospex Sea 1968 Heritage Diver's GMT200m
MSRP
BEACHMASTER AUTOMATIC: Test slice$2,138
Prospex Sea 1968 Heritage Diver's GMT$1,500
Full specifications
Case
6 specsCategory
—
Diver
Diameter
40mm
42mm
Thickness
14mm
12.9mm
Lug-to-Lug
0mm
48.6mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
3 specsAR Coating
—
Anti-reflective coating on inner surface
Dial Color
—
—
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Sellita SW330-2
6R54
Power Reserve
56h
72h
Jewels
0
24
Pricing
1 specsMSRP
$2,138
$1,500
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