Astor + Banks Sea Ranger M2vsSeiko Prospex Sea

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Measurements

Catalog photos are all shot at the same flattering size. These aren't: every case below shares one millimeter scale.

Astor + Banks Sea Ranger M2 at true scale

Sea Ranger M2

Seiko Prospex Sea at true scale

Prospex Sea

Diameter

40mm

41.3mm

Lug-to-Lug

45.5mm

lowest

48.2mm

Thickness

12.5mm

12.5mm

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$1,299

$1,100

lowest

Movement

La Joux-Perret G100

Seiko 6R55

Case

3 specs
Diameter
40mm
41.3mm
Lug-to-Lug
45.5mm
48.2mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

3 specs
AR Coating
n/a
Anti-reflective coating on inner surface
Dial Color
Tobacco
n/a
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
La Joux-Perret G100
Seiko 6R55
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,299
$1,100
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Reviews

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 noted for its functional and balanced design, excellent legibility, and a 12-hour lumed sapphire bezel. Reviewers highlight its good lume, though one source describes it as good but not great. The watch features a 40mm case and 300m water resistance. One review states it uses a La Joux-Perret G100 movement regulated to ±8 seconds per day, while another mentions a Sellita SW200 automatic movement adjusted by the brand. 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 GADA watch, with its design and legibility being key strengths.

Seiko Prospex Sea

Owners and reviewers widely praise the Seiko Prospex Sea for its robust build quality and fair price, with many noting its comfortable silicone strap. Some owners find the watch's size, thickness, and weight to be uncomfortable for smaller wrists, while others consider the size perfect. The consensus is that the Seiko Prospex Sea offers excellent value and build quality for its price.

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