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Seiko Prospex Marinemaster Marinemaster 1968 Heritage Diver's WatchvsTimefactors SMITHS NATO PRS-40 AUTOMATIC

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch
SeikoProspex Marinemaster Marinemaster 1968 Heritage Diver's Watch
MSRP $2,900
SMITHS NATO PRS-40 AUTOMATIC
TimefactorsSMITHS NATO PRS-40 AUTOMATIC
MSRP $315
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At a glance

13 of 29 specs differ
Diameter
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch42.6mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch50h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch300m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
Prospex Marinemaster Marinemaster 1968 Heritage Diver's Watch$2,900
SMITHS NATO PRS-40 AUTOMATIC$315

Full specifications

Case

6 specs
Category
Diver
—
Diameter
42.6mm
40.2mm
Thickness
13.4mm
12.25mm
Lug-to-Lug
49.3mm
54.7mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal 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

2 specs
Caliber
8L35
Seiko 6R15
Jewels
26
25

Pricing

1 specs
MSRP
$2,900
$315
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