Which is cheaper, the Breitling Premier Automatic Day Date 40 or the Smiths Armstrong Siddeley?

At MSRP the Smiths Armstrong Siddeley is the cheaper of the two at $980, against $5,950 for the Breitling Premier Automatic Day Date 40 — a $4,970 gap before any retailer discounting.

Which is bigger, the Breitling Premier Automatic Day Date 40 or the Smiths Armstrong Siddeley?

The Smiths Armstrong Siddeley wears larger at 42mm versus 40mm for the Breitling Premier Automatic Day Date 40 — a 2mm difference across the dial.

What movement does the Breitling Premier Automatic Day Date 40 run compared to the Smiths Armstrong Siddeley?

The Breitling Premier Automatic Day Date 40 runs a automatic caliber (Breitling 45), while the Smiths Armstrong Siddeley runs a manual (Unitas 6498).

Side by side

Breitling Premier Automatic Day Date 40vsSmiths Armstrong Siddeley

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

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Breitling Premier Automatic Day Date 40

A45340211G1A1

MSRP $5,950

Smiths Armstrong Siddeley

armstrong-siddeley-ltd-edition-prs-41

MSRP $980

At a glance

18 of 29 specs differ

Diameter

Premier Automatic Day Date 4040mm

Armstrong Siddeley42mm

Power Reserve

Premier Automatic Day Date 4038h

Armstrong Siddeley—

Water Resistance

Premier Automatic Day Date 40100m

Armstrong Siddeley100m

MSRP

Premier Automatic Day Date 40$5,950

Armstrong Siddeley$980

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

—

Flat

AR Coating

—

Inner

Dial Color

—

Cream

Indices

—

Applied

Movement

6 specs

Caliber

Breitling 45

Unitas 6498

Type

Automatic

Manual

Beat Rate

0 vph

28,800 vph

Power Reserve

38h

—

Jewels

Complications

Day-Date

None

Pricing

1 specs

MSRP

$5,950

$980

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Breitling Premier Automatic Day Date 40vsSmiths Armstrong Siddeley

At a glance

Full specifications

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