Side by side

Astor + Banks Sea Ranger M2vsGrand Seiko SBGE253

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
SBGE253
Grand SeikoSBGE253
MSRP $6,900

At a glance

12 of 29 specs differ
Diameter
Sea Ranger M240mm
SBGE25340.5mm
Power Reserve
Sea Ranger M240h
SBGE25372h
Water Resistance
Sea Ranger M2300m
SBGE253200m
MSRP
Sea Ranger M2$1,149
SBGE253$6,900

Full specifications

Case

6 specs
Category
Diver
GMT
Diameter
40mm
40.5mm
Thickness
12.5mm
14.7mm
Lug-to-Lug
45.5mm
48.7mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Tobacco
Black

Movement

3 specs
Caliber
La Joux-Perret G100
9R66
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,149
$6,900

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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.

Grand Seiko SBGE253

Grand Seiko SBGE253 owners widely praise its 40.5mm stainless steel case, Zaratsu polishing, and the Spring Drive Calibre 9R66 movement, noting its exceptional accuracy of ±1 second per day or ±15 seconds per month and a 72-hour power reserve. The watch is considered versatile with its black dial and a true GMT complication, and the bracelet clasp is specifically lauded for its comfortable, wrist-contouring design. Some reviewers find the power reserve indicator placement cluttered, while others dislike the fixed bezel and repeated numbers on the rehaut and bezel. The Grand Seiko SBGE253 is available new for around $4k from Japanese dealers, a significant discount off MSRP. On balance, owners and reviewers rate the Grand Seiko SBGE253 highly for its blend of high-end finishing, accurate Spring Drive GMT movement, and comfortable wearability.

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