Which is cheaper, the Bremont Altitude Chronograph or the Seestern S424 Full Lume Pilot?

At MSRP the Seestern S424 Full Lume Pilot is the cheaper of the two at $299, against $6,300 for the Bremont Altitude Chronograph — a $6,001 gap before any retailer discounting.

Which is bigger, the Bremont Altitude Chronograph or the Seestern S424 Full Lume Pilot?

The Bremont Altitude Chronograph wears larger at 42mm versus 38mm for the Seestern S424 Full Lume Pilot — a 4mm difference across the dial.

Which has better water resistance, the Bremont Altitude Chronograph or the Seestern S424 Full Lume Pilot?

The Bremont Altitude Chronograph is rated to 100m versus 50m for the Seestern S424 Full Lume Pilot.

Which has a longer power reserve, the Bremont Altitude Chronograph or the Seestern S424 Full Lume Pilot?

The Seestern S424 Full Lume Pilot carries a 41-hour power reserve against 40 hours on the Bremont Altitude Chronograph.

What movement does the Bremont Altitude Chronograph run compared to the Seestern S424 Full Lume Pilot?

Both watches run automatic movements — the Bremont Altitude Chronograph uses the BE-50AE and the Seestern S424 Full Lume Pilot uses the Seiko NH35A.

Side by side

Bremont Altitude ChronographvsSeestern S424 Full Lume Pilot

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

Bremont Altitude Chronograph

alt42-chr-g-ss-si-l-s

MSRP $6,300

Seestern S424 Full Lume Pilot

S424 V1

MSRP $299

At a glance

15 of 29 specs differ

Diameter

Altitude Chronograph42mm

S424 Full Lume Pilot38mm

Power Reserve

Altitude Chronograph40h

S424 Full Lume Pilot41h

Water Resistance

Altitude Chronograph100m

S424 Full Lume Pilot50m

MSRP

Altitude Chronograph$6,300

S424 Full Lume Pilot$299

Full specifications

Case

7 specs

Crystal & Dial

2 specs

Dial Color

Silver

Black

Lume

None

Full lume

Movement

5 specs

Caliber

BE-50AE

Seiko NH35A

Beat Rate

28,800 vph

21,600 vph

Power Reserve

40h

41h

Jewels

Complications

None

GMT

Pricing

1 specs

MSRP

$6,300

$299

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