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Smiths PRECISTA PRS-45 AEROTIMERvsSmiths PRS-40 CHRONOGRAPH

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

What people say

Owners + reviewers, side by side

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

Smiths PRECISTA PRS-45 AEROTIMER

The Smiths PRECISTA PRS-45 AEROTIMER is praised for its captivating retro chronograph design and excellent specifications. Owners appreciate its classic look, with one noting enjoyment of its appearance on a metal strap. The 42mm case size is also mentioned as a positive attribute. Overall, owners rate the Smiths PRECISTA PRS-45 AEROTIMER highly for its retro aesthetic and historical appeal.

Smiths PRS-40 CHRONOGRAPH

Owners praise the Smiths PRS-40 CHRONOGRAPH's bead-blasted finish, which shows light marks from use but no deep scratches, and its sapphire crystal. Some find its unique, "badass" looks appealing, with one owner appreciating its "bombproof nature" for harsh environments and its 12 o'clock crown. The watch wears thinner than its automatic sibling, though one owner notes it wears large. On balance, owners rate the Smiths PRS-40 CHRONOGRAPH highly for its rugged, unique aesthetic and durable build, suitable for demanding environments.

At a glance

6 of 29 specs differ
Diameter
PRECISTA PRS-45 AEROTIMER42mm
PRS-40 CHRONOGRAPH40.2mm
Power Reserve
PRECISTA PRS-45 AEROTIMER
PRS-40 CHRONOGRAPH
Water Resistance
PRECISTA PRS-45 AEROTIMER100m
PRS-40 CHRONOGRAPH100m
MSRP
PRECISTA PRS-45 AEROTIMER
PRS-40 CHRONOGRAPH

Full specifications

Case

4 specs
Diameter
42mm
40.2mm
Thickness
13mm
12.25mm
Lug-to-Lug
50mm
53.5mm
Lug Width
20mm
22mm

Crystal & Dial

1 specs
Dial Color
Black

Movement

1 specs
Caliber
Seiko VK64 (Meca-Quartz)
Seiko VK61
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