Side by side

Erebus Watches Ascent 40 GMTvsSeestern S456 GMT

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

Ascent 40 GMT
Erebus WatchesAscent 40 GMT
MSRP $429
S456 GMT
SeesternS456 GMT
MSRP $299
What people say

Owners + reviewers, side by side

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

Erebus Watches Ascent 40 GMT

Owners widely praise the Erebus Watches ASCENT for its stunning dial and excellent lume, with many finding it gorgeous and beautiful beyond comprehension. The watch is also noted for its comfortable wearability, attributed to its 40mm case, and the bracelet's micro-adjustable clasp and well-finished screws receive specific commendation. Some owners consider the Miyota 9075 movement excellent for the price, with one reporting accuracy of +1 second per day. However, import duties are a significant concern for some buyers, and the polished case sides are noted to lack a scratch-resistant coating. On balance, owners rate the Erebus Watches ASCENT highly for its aesthetic appeal and comfortable wearability at its price point.

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

15 of 29 specs differ
Diameter
Ascent 40 GMT40mm
S456 GMT41mm
Power Reserve
Ascent 40 GMT
S456 GMT41hh
Water Resistance
Ascent 40 GMT100m
S456 GMT200m
MSRP
Ascent 40 GMT$429
S456 GMT$299

Full specifications

Case

7 specs
Category
GMT
Diameter
40mm
41mm
Thickness
12.4mm
13mm
Lug-to-Lug
46mm
49mm
Material
Stainless Steel
316L Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
100m
200m

Crystal & Dial

2 specs
Dial Color
Malachite
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
BGW9 Super-LumiNova®
C1

Movement

5 specs
Caliber
Miyota 9075
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
41hh
Jewels
25
24
Complications
None
GMT

Pricing

1 specs
MSRP
$429
$299
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