Side by side

Mark Time Watches M 4vsSmiths NATO PRS-40 AUTOMATIC

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

NATO PRS-40 AUTOMATIC
SmithsNATO PRS-40 AUTOMATIC
MSRP $315

At a glance

9 of 29 specs differ
Diameter
M 439mm
NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
M 4
NATO PRS-40 AUTOMATIC50h
Water Resistance
M 4300m
NATO PRS-40 AUTOMATIC100m
MSRP
M 4
NATO PRS-40 AUTOMATIC$315

Full specifications

Case

5 specs
Diameter
39mm
40.2mm
Thickness
12.1mm
12.25mm
Lug-to-Lug
46mm
54.7mm
Lug Width
20mm
22mm
Water Resistance
300m
100m

Crystal & Dial

1 specs
Dial Color
Black

Movement

2 specs
Caliber
Miyota 9039
Seiko 6R15
Power Reserve
50h

Pricing

1 specs
MSRP
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