Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsRobot Watches ORBIS
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
ORBIS42mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
ORBIS65h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
ORBIS50m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
ORBIS$5,370
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42.6mm
42mm
Thickness
14.1mm
12mm
Lug-to-Lug
49.3mm
—
Lug Width
20mm
18mm
Water Resistance
300m
50m
Crystal & Dial
4 specsCrystal Shape
Curved
Flat
AR Coating
Anti-reflective coating on inner surface
Yes
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
8L45
G100
Power Reserve
72h
65h
Jewels
35
25
Pricing
1 specsMSRP
$3,600
—
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