Side by side

Astor + Banks Sea Ranger M2vsSeiko Astron GPS Solar 2025 Limited Edition

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
Astron GPS Solar 2025 Limited Edition
SeikoAstron GPS Solar 2025 Limited Edition
MSRP $2,900

At a glance

15 of 29 specs differ
Diameter
Sea Ranger M240mm
Astron GPS Solar 2025 Limited Edition43.4mm
Power Reserve
Sea Ranger M240h
Astron GPS Solar 2025 Limited Edition40h
Water Resistance
Sea Ranger M2300m
Astron GPS Solar 2025 Limited Edition100m
MSRP
Sea Ranger M2$1,149
Astron GPS Solar 2025 Limited Edition$2,900

Full specifications

Case

7 specs
Category
Diver
Chronograph
Diameter
40mm
43.4mm
Thickness
12.5mm
13.4mm
Lug-to-Lug
45.5mm
49.5mm
Lug Width
20mm
14mm
Material
316L Stainless Steel
Titanium
Water Resistance
300m
100m

Crystal & Dial

4 specs
Crystal Shape
Flat
Curved
AR Coating
Inner
Super-clear coating
Dial Color
Tobacco
Black
Lume
None
LumiBrite on hands and index(es)

Movement

3 specs
Caliber
La Joux-Perret G100
5X83
Type
Automatic
Quartz
Jewels
25
14

Pricing

1 specs
MSRP
$1,149
$2,900

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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.

Seiko Astron GPS Solar 2025 Limited Edition

The Seiko Astron GPS Solar 2025 Limited Edition is lauded for its advanced satellite timekeeping and perpetual calendar functionality, offering global time and location updates via GPS signals. Owners appreciate its well-built titanium or steel case, often featuring a ceramic bezel, and the unique asymmetrical design inspired by the 1983 Seiko 7A28 6000. However, its substantial 47mm size and 16.5mm thickness are frequently noted as drawbacks, with some finding it wears large and is difficult to fit under shirt sleeves. The perpetual calendar is limited to displaying only the date, and GPS signal reception requires a clear view of the sky, posing challenges indoors. The watch is priced around $2,900 and is limited to 3,000 pieces. Overall, owners and reviewers value the Seiko Astron GPS Solar 2025 Limited Edition for its cutting-edge technology and distinctive design, despite its considerable dimensions.

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