Which is bigger, the Smiths PRECISTA PRS-45 AEROTIMER or the Velini Ref. 101-A?

The Smiths PRECISTA PRS-45 AEROTIMER wears larger at 42mm versus 28mm for the Velini Ref. 101-A — a 14mm difference across the dial.

Which has better water resistance, the Smiths PRECISTA PRS-45 AEROTIMER or the Velini Ref. 101-A?

The Smiths PRECISTA PRS-45 AEROTIMER is rated to 100m versus 30m for the Velini Ref. 101-A.

What movement does the Smiths PRECISTA PRS-45 AEROTIMER run compared to the Velini Ref. 101-A?

The Smiths PRECISTA PRS-45 AEROTIMER runs a meca-quartz caliber (Seiko VK64), while the Velini Ref. 101-A runs a quartz.

Side by side

Smiths PRECISTA PRS-45 AEROTIMERvsVelini Ref. 101-A

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

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Smiths PRECISTA PRS-45 AEROTIMER

precista-prs-45-aerotimer

Velini Ref. 101-A

velini-ref-101-a

MSRP $245

At a glance

9 of 29 specs differ

Diameter

PRECISTA PRS-45 AEROTIMER42mm

Ref. 101-A28mm

Power Reserve

PRECISTA PRS-45 AEROTIMER—

Ref. 101-A40h

Water Resistance

PRECISTA PRS-45 AEROTIMER100m

Ref. 101-A30m

MSRP

PRECISTA PRS-45 AEROTIMER—

Ref. 101-A$245

Full specifications

Case

4 specs

Diameter

42mm

28mm

Thickness

13mm

7mm

Lug-to-Lug

50mm

39mm

Water Resistance

100m

30m

Crystal & Dial

2 specs

AR Coating

Inner

Yes

Lume

SuperLuminova

None

Movement

2 specs

Caliber

Seiko VK64

—

Power Reserve

—

40h

Pricing

1 specs

MSRP

—

$245

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Smiths PRECISTA PRS-45 AEROTIMERvsVelini Ref. 101-A

At a glance

Full specifications

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