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IWC Schaffhausen Iw328901 Ingenieur AutomaticvsRolex Sky-Dweller

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.

IWC Schaffhausen Iw328901 Ingenieur Automatic

The IWC Schaffhausen Iw328901 Ingenieur Automatic is widely praised for its faithful reissue of Gérald Genta's original design, featuring refined proportions, enhanced ergonomics, and excellent case and bracelet finishing with alternating brushed and polished surfaces. Owners and reviewers highlight the comfortable 40mm case size and a shortened lug-to-lug distance of 45.7mm, contributing to a wearable fit. Specific praise is given to the shimmering "grid" dial pattern and the date alignment. Some owners find the watch overpriced, citing the basic caliber and lack of micro-adjustment on the clasp, while others criticize the crown guards and bezel screw arrangement. One owner notes its accuracy rivals METAS-certified watches, and the 120-hour power reserve is also a noted feature. Overall, owners and reviewers rate the IWC Schaffhausen Iw328901 Ingenieur Automatic highly for its successful revival of a classic design with modern refinements and excellent finishing.

Rolex Sky-Dweller

The Rolex Sky-Dweller is widely praised for its exceptionally good fit and finish, with crisply defined dial markers and hands showing irreproachable attention to detail. Owners appreciate its complexity, rarity, and unique presence, with many considering it Rolex's most complicated watch and a conversation starter, distinct from the Datejust. The dual-time zone and annual calendar complication, controlled by the Ring Command Bezel, are seen as difficult to replicate and offer good value within Rolex's lineup. However, opinions are split on the 42mm case size, with some finding it too large and heavy, even uncomfortable on smaller wrists, while others report it wears surprisingly well. Certain configurations, like the stainless steel blue or green dial models, are very difficult to obtain from authorized dealers and command high grey market prices.

At a glance

17 of 29 specs differ
Diameter
Iw328901 Ingenieur Automatic40mm
Sky-Dweller42mm
Power Reserve
Iw328901 Ingenieur Automatic120h
Sky-Dweller72h
Water Resistance
Iw328901 Ingenieur Automatic100m
Sky-Dweller100m
MSRP
Iw328901 Ingenieur Automatic$55,600
Sky-Dweller$51,400

Full specifications

Case

7 specs
Category
Integrated
GMT
Diameter
40mm
42mm
Thickness
10.7mm
Lug-to-Lug
46mm
Material
18 Ct 5N Gold
18 kt yellow gold
Finish
Steel
White Rolesor - combination of Oystersteel and white gold
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

5 specs
Crystal
Sapphire
Crystal Shape
Flat
Dial Color
Black
Blue
Indices
Index
Lume
None
Chromalight

Movement

4 specs
Caliber
32111
9002
Power Reserve
120h
72h
Jewels
21
40
Complications
None
GMT, Annual Calendar, Date

Pricing

1 specs
MSRP
$55,600
$51,400
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