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Smiths NATO PRS-40 AUTOMATICvsSpinnaker Spence 300

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

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Smiths NATO PRS-40 AUTOMATIC

Smiths NATO PRS-40 AUTOMATIC owners praise its rugged, futuristic, and unique design, with some describing it as "badass" and others finding it an acquired taste with 70s or "Gattaca" influences. The watch is noted for its smooth-winding Seiko 6R15 movement and is considered "bombproof" for harsh environments, making it a suitable "beater/grab and go" option. While the purchase process can be difficult due to limited stock, one owner reported quick delivery. The 12 o'clock crown position is seen as unique and easy to use by rolling. On balance, owners appreciate the Smiths NATO PRS-40 AUTOMATIC for its distinctive, robust design and reliable movement at its price point.

Spinnaker Spence 300

The Spinnaker Spence 300 is widely praised for its slim 10.9mm case and 40mm diameter, offering a comfortable and uncommon thin diver design at its price point. Reviewers and owners highlight its value, especially below $350, and its blend of retro design with modern specifications, including a 300m depth rating and a fully indexed bezel. Some owners, however, find the dial printing and bracelet finishing to be less refined, with one noting the bracelet's male end links as a drawback. The consensus is that the Spinnaker Spence 300 is highly regarded for its exceptional value and wearable dimensions, making it a strong contender for an everyday sports watch.

From video reviewers

The watch's thin 10.9mm profile for a 300m diver is a key strength. No shared weakness was identified.

At a glance

11 of 29 specs differ
Diameter
NATO PRS-40 AUTOMATIC40.2mm
Spence 30040mm
Power Reserve
NATO PRS-40 AUTOMATIC50h
Spence 300
Water Resistance
NATO PRS-40 AUTOMATIC100m
Spence 300300m
MSRP
NATO PRS-40 AUTOMATIC$315
Spence 300$650

Full specifications

Case

7 specs
Category
Diver
Diameter
40.2mm
40mm
Thickness
12.25mm
11.5mm
Lug-to-Lug
54.7mm
48mm
Lug Width
22mm
20mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
100m
300m

Crystal & Dial

1 specs
Dial Color
Black
Aquamarine

Movement

2 specs
Caliber
Seiko 6R15
Seiko NH35
Power Reserve
50h
0h

Pricing

1 specs
MSRP
$315
$650
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