Side by side

Bremont S300vsIWC Schaffhausen Iw459403 Portofino Automatic Moon Phase

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

What people say

Owners + reviewers, side by side

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

Bremont S300

Owners widely praise the Bremont S300 for its comfortable 40mm size, fitting well under a cuff, and its appealing dial and bezel color. The winding action is described as smooth, and timekeeping averages +3 seconds per day, with machining noted as being on par with higher-end brands. One owner suggests tapering the bracelet and adding a mixed brushing and polishing finish for improved dress-shirt wearability. However, some find its styling lacks uniqueness compared to competitors, and the approximately 49mm lug-to-lug measurement is considered unusually long and potentially ill-fitting on smaller wrists. Overall, owners rate the Bremont S300 highly for its wearability and finishing at its price point.

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

15 of 29 specs differ
Diameter
S30040mm
Iw459403 Portofino Automatic Moon Phase40mm
Power Reserve
S30040h
Iw459403 Portofino Automatic Moon Phase50h
Water Resistance
S300300m
Iw459403 Portofino Automatic Moon Phase30m
MSRP
S300$3,795
Iw459403 Portofino Automatic Moon Phase$7,700

Full specifications

Case

6 specs
Category
Diver
Moonphase
Thickness
11.1mm
Lug Width
20mm
Finish
Brushed and polished
18 ct 5N gold
Water Resistance
300m
30m
Caseback
Solid

Crystal & Dial

5 specs
Crystal
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Orange
Silver
Indices
Applied

Movement

3 specs
Caliber
BE-92AE
35800
Power Reserve
40h
50h
Complications
None
Moonphase

Pricing

1 specs
MSRP
$3,795
$7,700
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