Rolex Sky-DwellervsGruppo Gamma Field III GMT Date

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Rolex Sky-Dweller at true scale

Sky-Dweller

Gruppo Gamma Field III GMT Date at true scale

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 specs
Diameter
42mm
40mm
Thickness
n/a
14mm
Lug-to-Lug
n/a
48.5mm
Lug Width
n/a
22mm
Material
18 kt yellow gold
Stainless Steel
Finish
White Rolesor - combination of Oystersteel and white gold
n/a
Water Resistance
100m
200m
Caseback
Monobloc middle case, screw-down case back and winding crown
n/a

Crystal & Dial

5 specs
Crystal Shape
Flat
n/a
AR Coating
n/a
Yes
Dial Color
Blue
Black
Indices
Index
n/a
Lume
Chromalight
Super-LumiNova

Movement

7 specs
Caliber
Rolex 9002
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
72h
41h
Jewels
40
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Annual Calendar, Date
GMT, Date

Pricing

1 specs
MSRP
$51,400
$459
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Reviews

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

Rolex Sky-Dweller

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.

Gruppo Gamma Field III GMT Date

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.

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