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

42mm

Lug-to-Lug

45.5mm

lowest

48.6mm

Thickness

12.5mm

lowest

13.3mm

Water Resistance

300m

300m

Power Reserve

n/a

72h

MSRP

$1,299

n/a

Movement

La Joux-Perret G100

Seiko 6R54

Case

4 specs
Diameter
40mm
42mm
Thickness
12.5mm
13.3mm
Lug-to-Lug
45.5mm
48.6mm
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 6R54
Power Reserve
0h
72h
Jewels
0
24

Pricing

1 specs
MSRP
$1,299
n/a
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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

The Seiko Prospex Sea is widely recognized for its excellent value and solid build quality, with many owners appreciating its classic dive watch design and legible dial. Reviewers consistently praise its lume, with one owner noting it as excellent. The watch's finishing is also a frequent highlight, described as impressive and well-executed for its price point. Some owners find the 42mm case size wears well, even on smaller wrists, while others describe it as substantial and potentially uncomfortable for smaller wrists. The movement is noted as a 6R54 automatic. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its robust construction and classic dive watch aesthetics at a fair price.

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