Side by side
Decima GatekeepervsSeiko 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
14 of 29 specs differDiameter
Gatekeeper38mm
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation39.5mm
Power Reserve
Gatekeeper42h
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation45h
Water Resistance
Gatekeeper50m
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation200m
MSRP
Gatekeeper$599
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation$2,800
Full specifications
Case
6 specsCategory
—
Diver
Diameter
38mm
39.5mm
Thickness
9.9mm
12.3mm
Lug-to-Lug
46mm
47.2mm
Lug Width
—
20mm
Water Resistance
50m
200m
Crystal & Dial
4 specsCrystal Shape
Flat
Box
AR Coating
Yes
Anti-reflective coating on inner surface
Dial Color
White
Black
Lume
None
LumiBrite on hands, index(es) and bezel
Movement
3 specsCaliber
Miyota 9039
6L37
Power Reserve
42h
45h
Jewels
25
26
Pricing
1 specsMSRP
$599
$2,800
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