Side by side

Rolex GMT-Master IIvsSeestern S456 GMT

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 for its exceptional legibility, robust build, and comfortable bracelet taper, with many considering it the best stainless steel GMT ever made. Some find the two-tone variants a perfect balance between sports and dress, while others highlight the versatility of the "Batman" or the iconic status of the "Pepsi." The grey and black variant offers a more reserved aesthetic, and some owners view the all-black 116710LN as the best value buy. However, the bidirectional bezel's lack of satisfying clicks and the Oystersteel's proneness to scratching are noted drawbacks. Some owners find the green GMT hand and text difficult to see, and one owner considers it a downgrade from the Submariner due to its lack of quick-set date and lower water resistance. The Rolex GMT-Master II is difficult to obtain at retail, with wait times averaging 12-24 months.

From video reviewers

The 18k yellow gold construction is a notable strength. Reviewers did not reach a consensus on any weaknesses.

Seestern S456 GMT

Owners widely praise the Seestern S456 GMT for its exceptional value and finishing that exceeds expectations, with one owner noting its accuracy surpasses that of their Seiko 5. The dial displays a pearl-like rainbow effect. Some owners would prefer a bidirectional bezel over the current unidirectional one. The Seestern S456 GMT features an NH34 movement, a 39.5mm case, sapphire crystal, and an adjustable clasp. On balance, owners rate the Seestern S456 GMT highly for its impressive finishing and value proposition at its price point.

From video reviewers

The watch features stunning, detailed finishing that is difficult to top. Reviewers did not reach a consensus on any weaknesses.

At a glance

18 of 29 specs differ
Diameter
GMT-Master II40mm
S456 GMT41mm
Power Reserve
GMT-Master II70h
S456 GMT41hh
Water Resistance
GMT-Master II100m
S456 GMT200m
MSRP
GMT-Master II$50,800
S456 GMT$299

Full specifications

Case

8 specs
Diameter
40mm
41mm
Thickness
13mm
Lug-to-Lug
46mm
49mm
Lug Width
20mm
Material
18kt Gold
316L Stainless Steel
Finish
18 kt Everose gold
Brushed + Polished
Water Resistance
100m
200m
Caseback
Monobloc middle case, screw-down case back and winding crown
Solid

Crystal & Dial

4 specs
AR Coating
Inner
Dial Color
Black
Sunray style, applied and Diamond cut Indices, C1 lume
Indices
Index
Applied
Lume
Chromalight
C1

Movement

5 specs
Caliber
3285
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
70h
41hh
Jewels
34
24
Complications
GMT, Date
GMT

Pricing

1 specs
MSRP
$50,800
$299
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