Side by side

Bremont Altitude 39 DatevsIWC Schaffhausen Iw459403 Portofino Automatic Moon Phase

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

Altitude 39 Date
BremontAltitude 39 Date
MSRP $4,250
What people say

Owners + reviewers, side by side

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

Bremont Altitude 39 Date

Owners and reviewers widely praise the Bremont Altitude 39 Date as a sleek, legible, and everyday-suited pilot's watch, noting its comfortable 39mm 904L steel case and clean dial design. The La Joux-Perret G100 movement is recognized for its 68-hour power reserve and smooth winding feel. Some owners note the bracelet lacks micro-adjustments. On balance, the consensus is that the Bremont Altitude 39 Date is highly regarded for its refined finishing and wearability at 39mm.

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
Altitude 39 Date39mm
Iw459403 Portofino Automatic Moon Phase40mm
Power Reserve
Altitude 39 Date40h
Iw459403 Portofino Automatic Moon Phase50h
Water Resistance
Altitude 39 Date100m
Iw459403 Portofino Automatic Moon Phase30m
MSRP
Altitude 39 Date$4,250
Iw459403 Portofino Automatic Moon Phase$7,700

Full specifications

Case

7 specs
Category
Pilot
Moonphase
Diameter
39mm
40mm
Thickness
11.19mm
11.1mm
Material
316L Stainless Steel (DLC coated)
Stainless Steel
Finish
Brushed and polished
18 ct 5N gold
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Crystal Shape
Flat
AR Coating
Inner
Indices
Applied

Movement

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

Pricing

1 specs
MSRP
$4,250
$7,700
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