Side by side
Helgray Poseidon Diver (Automatic)vsSeiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Poseidon Diver (Automatic)40mm
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation39.5mm
Power Reserve
Poseidon Diver (Automatic)—
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation45h
Water Resistance
Poseidon Diver (Automatic)300m
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation200m
MSRP
Poseidon Diver (Automatic)$249
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation$2,800
Full specifications
Case
5 specsDiameter
40mm
39.5mm
Thickness
12.8mm
12.3mm
Lug-to-Lug
0mm
47.2mm
Lug Width
22mm
20mm
Water Resistance
300m
200m
Crystal & Dial
3 specsCrystal Shape
—
Box
AR Coating
—
Anti-reflective coating on inner surface
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
NH35 Warranty
6L37
Power Reserve
0h
45h
Jewels
0
26
Pricing
1 specsMSRP
$249
$2,800
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