Side by side

Breitling Premier Automatic 40vsIWC Schaffhausen Iw459403 Portofino Automatic Moon Phase

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

Premier Automatic 40
BreitlingPremier Automatic 40
MSRP $5,600
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Breitling Premier Automatic 40

The Breitling Premier Automatic 40 is widely regarded as an underrated timepiece, praised for its attractive anthracite dial and elegant, vintage-inspired styling. Reviewers note its 40mm steel case and 100m water resistance. The watch is priced from $4,000 on a strap. Overall, owners and reviewers consider the Breitling Premier Automatic 40 a highly attractive watch with elegant styling.

IWC Schaffhausen Iw459403 Portofino Automatic Moon Phase

Owners widely praise the IWC Schaffhausen Portofino for its stunning and elegant design, with many finding the 40mm size wearability excellent, even on smaller wrists. The clean dial and classical sophistication are frequently highlighted, and some owners describe it as a "lifetime watch." One owner notes their watch keeps excellent time, with another mentioning IWC's commitment to chronometer standards. A different Portofino 37 variant was reported to lose almost 10 seconds a day. On balance, owners and reviewers rate the IWC Schaffhausen Portofino highly for its elegant design and comfortable wearability.

At a glance

12 of 29 specs differ
Diameter
Premier Automatic 4040mm
Iw459403 Portofino Automatic Moon Phase40mm
Power Reserve
Premier Automatic 4038h
Iw459403 Portofino Automatic Moon Phase50h
Water Resistance
Premier Automatic 40100m
Iw459403 Portofino Automatic Moon Phase30m
MSRP
Premier Automatic 40$5,600
Iw459403 Portofino Automatic Moon Phase$7,700

Full specifications

Case

4 specs
Category
Mechanical
Moonphase
Thickness
11.36mm
11.1mm
Finish
Stainless steel
18 ct 5N gold
Water Resistance
100m
30m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Silver

Movement

5 specs
Caliber
Breitling 37
35800
Beat Rate
0 vph
28,800 vph
Power Reserve
38h
50h
Jewels
0
25
Complications
None
Moonphase

Pricing

1 specs
MSRP
$5,600
$7,700
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