Which is cheaper, the Sinn 456 TW70 GG or the Bremont Altitude Chronograph?

At MSRP the Bremont Altitude Chronograph is the cheaper of the two at $6,300, against $6,372 for the Sinn 456 TW70 GG — a $72 gap before any retailer discounting.

Which is bigger, the Sinn 456 TW70 GG or the Bremont Altitude Chronograph?

The Bremont Altitude Chronograph wears larger at 42mm versus 28mm for the Sinn 456 TW70 GG — a 14mm difference across the dial.

Which has better water resistance, the Sinn 456 TW70 GG or the Bremont Altitude Chronograph?

The Sinn 456 TW70 GG is rated to 200m versus 100m for the Bremont Altitude Chronograph.

Which has a longer power reserve, the Sinn 456 TW70 GG or the Bremont Altitude Chronograph?

The Bremont Altitude Chronograph carries a 40-hour power reserve against 38 hours on the Sinn 456 TW70 GG.

What movement does the Sinn 456 TW70 GG run compared to the Bremont Altitude Chronograph?

Both watches run automatic movements — the Sinn 456 TW70 GG uses the SW 100 and the Bremont Altitude Chronograph uses the BE-50AE.

Side by side

Sinn 456 TW70 GGvsBremont Altitude Chronograph

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

Sinn 456 TW70 GG

456 TW70 GG

MSRP $6,372

Bremont Altitude Chronograph

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

MSRP $6,300

At a glance

17 of 29 specs differ

Diameter

456 TW70 GG28mm

Altitude Chronograph42mm

Power Reserve

456 TW70 GG38h

Altitude Chronograph40h

Water Resistance

456 TW70 GG200m

Altitude Chronograph100m

MSRP

456 TW70 GG$6,372

Altitude Chronograph$6,300

Full specifications

Case

8 specs

Crystal & Dial

5 specs

Crystal Shape

—

Flat

AR Coating

Underside

Inner

Dial Color

Black

Silver

Indices

—

Applied

Lume

Luminescent

None

Movement

3 specs

Caliber

SW 100

BE-50AE

Power Reserve

38h

40h

Complications

Date

None

Pricing

1 specs

MSRP

$6,372

$6,300

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Sinn 456 TW70 GGvsBremont Altitude Chronograph

At a glance

Full specifications

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