Side by side

Seestern Sub 300 V4vsTimefactors 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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Sub 300 V4
SeesternSub 300 V4
MSRP $10
SMITHS NATO PRS-40 AUTOMATIC
TimefactorsSMITHS NATO PRS-40 AUTOMATIC
MSRP $315
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Buy used on eBay ↗
Buy from Timefactors ↗
Buy used on eBay ↗

At a glance

18 of 29 specs differ
Diameter
Sub 300 V442mm
SMITHS NATO PRS-40 AUTOMATIC40.2mm
Power Reserve
Sub 300 V441h
SMITHS NATO PRS-40 AUTOMATIC50h
Water Resistance
Sub 300 V4200m
SMITHS NATO PRS-40 AUTOMATIC100m
MSRP
Sub 300 V4$10
SMITHS NATO PRS-40 AUTOMATIC$315

Full specifications

Case

9 specs
Category
Diver
—
Diameter
42mm
40.2mm
Thickness
13mm
12.25mm
Lug-to-Lug
46mm
54.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Sandblasted
Brushed and polished
Water Resistance
200m
100m
Caseback
Solid screw-down
Solid

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Orange
—
Lume
Japan Lume (blue glow)
None

Movement

5 specs
Caliber
Seiko NH35A
Seiko 6R15
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
50h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$10
$315
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