Side by side
Seiko Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretationvsTSAO Baltimore OLD BAY Timepiece
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
12 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation39.5mm
OLD BAY Timepiece40mm
Power Reserve
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation45h
OLD BAY Timepiece41h
Water Resistance
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation200m
OLD BAY Timepiece200m
MSRP
Prospex Marinemaster Marinemaster 1965 Diver’s Modern Re-interpretation$2,800
OLD BAY Timepiece$550
Full specifications
Case
4 specsCategory
Diver
—
Diameter
39.5mm
40mm
Thickness
12.3mm
13.2mm
Lug-to-Lug
47.2mm
46mm
Crystal & Dial
4 specsCrystal Shape
Box
Flat
AR Coating
Anti-reflective coating on inner surface
Inner
Dial Color
Black
—
Lume
LumiBrite on hands, index(es) and bezel
None
Movement
3 specsCaliber
6L37
Seiko NH38
Power Reserve
45h
41h
Jewels
26
25
Pricing
1 specsMSRP
$2,800
$550
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