Astor + Banks Sea Ranger M2vsSeiko Prospex Alpinist

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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 Alpinist at true scale

Prospex Alpinist

Diameter

40mm

38mm

Lug-to-Lug

45.5mm

lowest

46mm

Thickness

12.5mm

lowest

12.9mm

Water Resistance

300m

highest

200m

Power Reserve

n/a

70h

MSRP

$1,299

$503

lowest

Movement

La Joux-Perret G100

Seiko 6R35

Case

6 specs
Diameter
40mm
38mm
Thickness
12.5mm
12.9mm
Lug-to-Lug
45.5mm
46mm
Lug Width
20mm
n/a
Material
316L Stainless Steel
Stainless Steel
Water Resistance
300m
200m

Crystal & Dial

2 specs
Dial Color
Tobacco
n/a
Lume
None
LumiBrite

Movement

3 specs
Caliber
La Joux-Perret G100
Seiko 6R35
Power Reserve
0h
70h
Complications
None
Date

Pricing

1 specs
MSRP
$1,299
$503
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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 Alpinist

Owners widely praise the Seiko Prospex Alpinist for its excellent 38mm case size and versatile design, making it a capable everyday and business-casual watch. The dark green sunburst dial is a standout feature, described as dynamic and beautifully textured. Its character is further enhanced by the compass bezel and gold indices, and it is considered a great "GADA" (Go Anywhere, Do Anything) watch and a "strap monster" adaptable to various bands. One owner notes the gold tone is less convincing than solid gold alternatives. Overall, owners rate the Seiko Prospex Alpinist highly for its appealing design and wearability at the price point.