Side by side

Rolex GMT-Master IIvsSeiko 5 Sports SKX series

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.

Rolex GMT-Master II

Owners widely praise the Rolex GMT-Master II's finishing, legibility, and versatility, with many citing the ceramic bezel's scratch resistance and the excellent Chromalight lume. The Oystersteel case and bracelet are generally well-finished, featuring a comfortable taper and secure clasp, though some note the steel is softer than standard. The GMT function is appreciated for travel, and specific configurations like the "Batman" (BLNR) and "Pepsi" (BLRO) are frequently favored for their aesthetics. One reviewer finds the steel "Pepsi" model sustains its appeal due to the harmonious integration of case, bezel, and Jubilee bracelet. The bidirectional bezel action is described by one owner as lacking satisfying clicks. Acquiring popular steel models at retail can involve wait times exceeding 12-24 months. Overall, owners rate the Rolex GMT-Master II highly for its blend of sport and dress appeal, with specific colorways and the Jubilee bracelet often highlighted as key strengths.

From video reviewers

The GMT-Master II "Root Beer" features a distinctive black and brown Cerachrom bezel and GMT complication. Reviewers did not agree on any weaknesses.

Seiko 5 Sports SKX series

The Seiko 5 Sports SKX series is widely praised as an excellent gateway watch, offering great value with a solid build and powerful lume. Owners widely report that the NH36 movement's accuracy is a "luck of the draw," with official specs allowing up to +/-40 seconds per day, though many experience +/-5 to 10 seconds. Some owners note the lack of a screw-down crown and 100m water resistance, while others highlight its ISO 6425 compliance, 200m water resistance, and screw-down crown as superior tool watch features. Some owners find the original SKX models heavier and bulkier than newer lines, while others praise its iconic, tough, and rugged dive watch design and proven durability. On balance, owners and reviewers rate the Seiko 5 Sports SKX series highly for its iconic, durable dive watch design and strong value proposition.

At a glance

20 of 29 specs differ
Diameter
GMT-Master II40mm
5 Sports SKX series42.5mm
Power Reserve
GMT-Master II70h
5 Sports SKX series41h
Water Resistance
GMT-Master II100m
5 Sports SKX series100m
MSRP
GMT-Master II$11,800
5 Sports SKX series$495

Full specifications

Case

7 specs
Diameter
40mm
42.5mm
Thickness
13.6mm
Lug-to-Lug
0mm
46mm
Lug Width
22mm
Material
Oystersteel
Stainless Steel
Finish
18 kt Everose gold
Caseback
Monobloc middle case, screw-down case back and winding crown

Crystal & Dial

5 specs
Crystal
Sapphire
Hardlex
Crystal Shape
Flat
Dial Color
Black
Indices
Index
Lume
Chromalight
LumiBrite on hands and index(es)

Movement

7 specs
Caliber
3285
4R34
Beat Rate
28,800 vph
0 vph
Power Reserve
70h
41h
Jewels
34
24
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$11,800
$495
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