Side by side

Astor + Banks Sea Ranger M2vsNivada Grenchen Antarctic Spider

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
Antarctic Spider
Nivada GrenchenAntarctic Spider
MSRP $945

At a glance

13 of 29 specs differ
Diameter
Sea Ranger M240mm
Antarctic Spider38mm
Power Reserve
Sea Ranger M240h
Antarctic Spider38h
Water Resistance
Sea Ranger M2300m
Antarctic Spider200m
MSRP
Sea Ranger M2$1,149
Antarctic Spider$945

Full specifications

Case

7 specs
Category
Diver
Tool
Diameter
40mm
38mm
Thickness
12.5mm
11.1mm
Lug-to-Lug
45.5mm
46mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Brushed + Polished
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Tobacco
White
Lume
None
Super-LumiNova

Movement

3 specs
Caliber
La Joux-Perret G100
Sellita SW200
Power Reserve
40h
38h
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,149
$945

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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.

Nivada Grenchen Antarctic Spider

Owners widely praise the Nivada Grenchen Antarctic for its historically significant design and excellent wearability, particularly its thin case and non-modern sizing. Reviewers note its charming versatility and faithful vintage execution, with one owner highlighting the buttery winding action and another the affordable price point. However, some owners find the dial difficult to read, and the lume is noted as weak. The manual-wind movement's crown re-engagement is described as finicky, and minute marker application has been criticized as imperfect. The beige Super-LumiNova is also considered too yellow by one reviewer. Overall, owners and reviewers rate the Nivada Grenchen Antarctic highly for its faithful vintage design and wearability at an attractive price.

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