Side by side

Astor + Banks Sea Ranger M2vsGrand Seiko SBGA413

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
SBGA413
Grand SeikoSBGA413
MSRP $7,200
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 SBGA413

Grand Seiko SBGA413 owners and reviewers widely praise its captivating dial, particularly its subtle artistry, and the mesmerizing Spring Drive movement's reliability and unparalleled mechanical accuracy, with some noting their Spring Drive watches run within half a second per day. The 40mm titanium case, featuring intricate geometries and a satin brush finish, is also highlighted, as are the Zaratsu-polished surfaces. Legibility is considered excellent, even with silver hands on the pink dial. On balance, owners and reviewers rate the Grand Seiko SBGA413 highly for its beautiful dial and the Spring Drive movement's accuracy and refinement.

At a glance

12 of 29 specs differ
Diameter
Sea Ranger M240mm
SBGA41340mm
Power Reserve
Sea Ranger M240h
SBGA41372h
Water Resistance
Sea Ranger M2300m
SBGA413100m
MSRP
Sea Ranger M2$1,149
SBGA413$7,200

Full specifications

Case

6 specs
Category
Diver
Dress
Thickness
12.5mm
12.8mm
Lug-to-Lug
45.5mm
47mm
Lug Width
20mm
21mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

2 specs
AR Coating
Inner
Yes
Dial Color
Tobacco
Black

Movement

3 specs
Caliber
La Joux-Perret G100
9R65
Type
Automatic
Spring Drive
Power Reserve
40h
72h

Pricing

1 specs
MSRP
$1,149
$7,200

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