Side by side
Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsZero West M1 Series
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
13 of 29 specs differDiameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
M1 Series41mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch72h
M1 Series41h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
M1 Series100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$3,600
M1 Series$3,600
Full specifications
Case
6 specsCategory
Diver
—
Diameter
42.6mm
41mm
Thickness
14.1mm
13.5mm
Lug-to-Lug
49.3mm
46mm
Lug Width
20mm
22mm
Water Resistance
300m
100m
Crystal & Dial
4 specsCrystal Shape
Curved
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
8L45
Sellita SW200-1
Power Reserve
72h
41h
Jewels
35
25
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