Side by side

Seestern S456 GMTvsHorage Tourbillon 2

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

S456 GMT
SeesternS456 GMT
MSRP $299
Tourbillon 2
HorageTourbillon 2
MSRP $10,080
What people say

Owners + reviewers, side by side

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

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.

Horage Tourbillon 2

Owners and reviewers highlight the Horage Tourbillon 2's COSC-certified K-TOU movement, featuring a 120-hour power reserve and silicon components, with the tourbillon itself celebrated as a display of engineering as art. The watch is available in various materials and dial options, including Grand Feu enamel and a unique blue pattern. Pre-order prices begin at CHF 8,990 for steel and CHF 20,470 for white gold. Overall, owners and reviewers rate the Horage Tourbillon 2 highly for its impressive movement engineering and artistic presentation of the tourbillon at its price point.

At a glance

17 of 29 specs differ
Diameter
S456 GMT41mm
Tourbillon 241mm
Power Reserve
S456 GMT41hh
Tourbillon 2120h
Water Resistance
S456 GMT200m
Tourbillon 2100m
MSRP
S456 GMT$299
Tourbillon 2$10,080

Full specifications

Case

7 specs
Category
GMT
Dress
Thickness
13mm
12mm
Lug-to-Lug
49mm
47.8mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed + Polished
Brushed and polished
Water Resistance
200m
100m

Crystal & Dial

3 specs
AR Coating
Inner
No
Dial Color
Sunray style, applied and Diamond cut Indices, C1 lume
Meteorite
Lume
C1
Super-LumiNova

Movement

6 specs
Caliber
Seiko NH34
Horage K-TOU
Type
Automatic
Manual
Beat Rate
3 vph
28,800 vph
Power Reserve
41hh
120h
Jewels
24
25
Complications
GMT
Tourbillon

Pricing

1 specs
MSRP
$299
$10,080
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