Side by side

IWC Schaffhausen Iw459403 Portofino Automatic Moon PhasevsTudor Monarch

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

Monarch
TudorMonarch
MSRP $5,875
What people say

Owners + reviewers, side by side

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

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.

Tudor Monarch

The Tudor Monarch is praised for its crisp case finishing, solid H-link bracelet with T-fit clasp, and a 39mm size that wears well, though its eclectic neoclassical dial design is noted. It features a METAS-certified Master Chronometer movement with a 65-hour power reserve, visible through a display case back. The watch has a vintage-inspired dial with a unique champagne color and California layout, though it lacks lume and its modern, angular 39mm case doesn't wear smaller than its dimensions suggest. Its 11.9mm thickness is noted as a bit disappointing, but faceted case sides and box sapphire crystals contribute to a slender wearing experience. On balance, reviewers praise the Tudor Monarch for its sharp case finishing and Master Chronometer movement at its price point.

At a glance

18 of 29 specs differ
Diameter
Iw459403 Portofino Automatic Moon Phase40mm
Monarch39mm
Power Reserve
Iw459403 Portofino Automatic Moon Phase50h
Monarch65h
Water Resistance
Iw459403 Portofino Automatic Moon Phase30m
Monarch100m
MSRP
Iw459403 Portofino Automatic Moon Phase$7,700
Monarch$5,875

Full specifications

Case

7 specs
Category
Moonphase
Diameter
40mm
39mm
Thickness
11.1mm
11.9mm
Lug-to-Lug
46mm
Finish
18 ct 5N gold
Polished + Satin
Water Resistance
30m
100m
Caseback
Solid screw-down

Crystal & Dial

3 specs
Crystal
Sapphire
Dial Color
Silver
Champagne
Indices
Applied

Movement

7 specs
Caliber
35800
MT5662-2U
Beat Rate
28,800 vph
0 vph
Power Reserve
50h
65h
Jewels
25
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
Moonphase
None

Pricing

1 specs
MSRP
$7,700
$5,875
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