Rolex Sky-DwellervsGruppo Gamma Field III GMT Date
lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures
Measurements
Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Sky-Dweller

Field III GMT Date
Diameter
42mm
40mm
Lug-to-Lug
n/a
48.5mm
Thickness
n/a
14mm
Water Resistance
100m
200m
highest
Power Reserve
72h
highest
41h
MSRP
$51,400
$459
lowest
Movement
Rolex 9002
Seiko NH34
Case
8 specsCrystal & Dial
5 specsMovement
7 specsPricing
1 specsReviews
Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.
Owners widely praise the Rolex Sky-Dweller for its exceptionally good fit and finish, irreproachable attention to detail, and unique, well-executed annual calendar and dual-time zone complications, with many considering it Rolex's most complicated watch and a great value. Some owners find the 42mm case too large or top-heavy, particularly on smaller wrists, while others report it wears surprisingly well. Availability from authorized dealers is a significant issue, with long wait times for popular configurations. On balance, owners rate the Rolex Sky-Dweller highly for its unique complications and build quality, despite some reservations about its size.
Owners widely praise the Gruppo Gamma Field III GMT Date for its incredible quality, awesome looks, and good value for the price. The watch features a 40mm brushed 316L stainless steel case, a box sapphire crystal, and a Seiko NH34 automatic movement. Some owners note accuracy figures ranging from -20 to +40 seconds per day, while others report +5 seconds per day. One user found the 40mm size unsuitable for small wrists. Overall, owners rate the Gruppo Gamma Field III GMT Date highly for its build quality and aesthetic appeal at its price point.
Similar watches
Matched to the watches above on size, movement, style and price, microbrands first. Open any one to dig in.
Also compared
Comparisons nearby in the catalog: alternatives to the watches above paired against the matchup.








