Side by side

Astor + Banks Sea Ranger M2vsSeestern S456 GMT

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

Sea Ranger M2
Astor + BanksSea Ranger M2
MSRP $1,149
S456 GMT
SeesternS456 GMT
MSRP $299

At a glance

14 of 29 specs differ
Diameter
Sea Ranger M240mm
S456 GMT41mm
Power Reserve
Sea Ranger M240h
S456 GMT41hh
Water Resistance
Sea Ranger M2300m
S456 GMT200m
MSRP
Sea Ranger M2$1,149
S456 GMT$299

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
41mm
Thickness
12.5mm
13mm
Lug-to-Lug
45.5mm
49mm
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Tobacco
Sunray style, applied and Diamond cut Indices, C1 lume
Lume
None
C1

Movement

5 specs
Caliber
La Joux-Perret G100
Seiko NH34
Beat Rate
28,800 vph
3 vph
Power Reserve
40h
41hh
Jewels
25
24
Complications
None
GMT

Pricing

1 specs
MSRP
$1,149
$299

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What people say

Owners + reviewers, side by side

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

Astor + Banks Sea Ranger M2

The Astor + Banks Sea Ranger M2 is widely praised for its balanced design, excellent legibility, and strong GADA (go-anywhere, do-anything) capabilities, featuring 300m water resistance and a scratch-resistant coating. Reviewers note its comfortable 40mm case size and good lume, though one source describes it as good but not great. The movement is a Sellita SW200 adjusted by the brand, with accuracy reported around ±8 seconds per day. The pre-order price is $650, with a standard price of $850. On balance, reviewers find the Astor + Banks Sea Ranger M2 to be a compelling option due to its functional design and robust specifications.

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.

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