Which is cheaper, the Bell & Ross BR V3-94 A521 or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

At MSRP the Seiko Prospex SPEEDTIMER Mechanical Chronograph is the cheaper of the two at $2,500, against $5,184 for the Bell & Ross BR V3-94 A521 — a $2,684 gap before any retailer discounting.

Which is bigger, the Bell & Ross BR V3-94 A521 or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Bell & Ross BR V3-94 A521 wears larger at 43mm versus 42mm for the Seiko Prospex SPEEDTIMER Mechanical Chronograph — a 1mm difference across the dial.

Which has better water resistance, the Bell & Ross BR V3-94 A521 or the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

The Bell & Ross BR V3-94 A521 is rated to 100m versus 10m for the Seiko Prospex SPEEDTIMER Mechanical Chronograph.

What movement does the Bell & Ross BR V3-94 A521 run compared to the Seiko Prospex SPEEDTIMER Mechanical Chronograph?

Both watches run automatic movements — the Bell & Ross BR V3-94 A521 uses the BR-CAL.301 and the Seiko Prospex SPEEDTIMER Mechanical Chronograph uses the 8R48.

Side by side

Bell & Ross BR V3-94 A521vsSeiko Prospex SPEEDTIMER Mechanical Chronograph

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

Bell & Ross BR V3-94 A521

br-v3-94-a521-steel-bracelet

MSRP $5,184

Seiko Prospex SPEEDTIMER Mechanical Chronograph

srq047j1

MSRP $2,500

At a glance

16 of 29 specs differ

Diameter

BR V3-94 A52143mm

Prospex SPEEDTIMER Mechanical Chronograph42mm

Power Reserve

BR V3-94 A521—

Prospex SPEEDTIMER Mechanical Chronograph45h

Water Resistance

BR V3-94 A521100m

Prospex SPEEDTIMER Mechanical Chronograph100m

MSRP

BR V3-94 A521$5,184

Prospex SPEEDTIMER Mechanical Chronograph$2,500

Full specifications

Case

6 specs

Diameter

43mm

42mm

Thickness

—

14.6mm

Lug-to-Lug

—

49.5mm

Lug Width

—

20mm

Finish

—

Brushed and polished

Caseback

—

Solid

Crystal & Dial

4 specs

Crystal Shape

—

Curved

AR Coating

Underside

Anti-reflective coating on inner surface

Indices

—

Applied

Lume

Super-LumiNova

LumiBrite on hands and index(es)

Movement

5 specs

Caliber

BR-CAL.301

8R48

Beat Rate

—

28,800 vph

Power Reserve

—

45h

Jewels

—

Complications

Hours/Minutes, Date, Chronograph

None

Pricing

1 specs

MSRP

$5,184

$2,500

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