Side by side
Seiko 62MASvsTimefactors SMITHS NATO PRS-40 AUTOMATIC
The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.
At a glance
14 of 29 specs differDiameter
62MAS40.5mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
62MAS70h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
62MAS200m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
62MAS$1,200
SMITHS NATO PRS-40 AUTOMATIC$315
Full specifications
Case
6 specsCategory
Diver
—
Diameter
40.5mm
40.2mm
Thickness
13.2mm
12.25mm
Lug-to-Lug
47.6mm
54.7mm
Lug Width
20mm
22mm
Water Resistance
200m
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
6R35
Seiko 6R15
Power Reserve
70h
50h
Jewels
24
25
Pricing
1 specsMSRP
$1,200
$315
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