Side by side
Seiko Essentials AutomaticvsTimefactors SMITHS NATO PRS-40 AUTOMATIC
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
10 of 29 specs differDiameter
Essentials Automatic41.2mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
Essentials Automatic41h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
Essentials Automatic100m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
Essentials Automatic$315
SMITHS NATO PRS-40 AUTOMATIC$315
Full specifications
Case
5 specsCategory
Dress
—
Diameter
41.2mm
40.2mm
Thickness
11.8mm
12.25mm
Lug-to-Lug
48.5mm
54.7mm
Lug Width
20mm
22mm
Crystal & Dial
2 specsCrystal
Hardlex
Sapphire
Dial Color
Black
—
Movement
3 specsCaliber
4R35
6R15
Power Reserve
41h
50h
Jewels
23
25
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