Alsta NautoscaphvsLongines HydroConquest

lug2lug doesn't sell watches. Buy links open the brand's or seller's own site. Some links are affiliate links: lug2lug may earn a commission at no extra cost to you. Disclosures

Measurements

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

Alsta Nautoscaph at true scale

Nautoscaph

Longines HydroConquest at true scale

HydroConquest

Diameter

40mm

43mm

Lug-to-Lug

51.3mm

lowest

53.5mm

Thickness

16.2mm

11.9mm

lowest

Water Resistance

300m

300m

Power Reserve

41h

72h

highest

MSRP

$695

lowest

$2,000

Movement

Seiko NH35

Longines L888

Case

5 specs
Diameter
40mm
43mm
Thickness
16.2mm
11.9mm
Lug-to-Lug
51.3mm
53.5mm
Lug Width
n/a
21mm
Material
Bronze
Stainless steel

Crystal & Dial

1 specs
Dial Color
n/a
Green

Movement

2 specs
Caliber
Seiko NH35
Longines L888
Power Reserve
41h
72h

Pricing

1 specs
MSRP
$695
$2,000
Keep your wishlist and collection together in the appExplore the app

Reviews

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Alsta Nautoscaph

Owners widely praise the Alsta Nautoscaph for its vintage-inspired design, cinematic appearances in films like "Jaws" and "Fear and Loathing in Las Vegas," and its "70s cool" aesthetic. Reviewers note its contrasting case finishes and functional, lumed dial, though the absence of a lumed numeral at 3 o'clock due to the date window is a minor drawback. One reviewer flags the watch's 15.1mm thickness and poor bracelet execution as significant issues, deeming it a "colossal failure" at its price point, while another owner suggests it is egregiously overpriced at MSRP but a fun summer piece in the $500-600 range. On balance, owners and reviewers are divided on the Alsta Nautoscaph's value and wearability, with its aesthetic appeal and cinematic provenance being its strongest selling points.

Longines HydroConquest

Owners widely praise the Longines HYDROCONQUEST for its attractive sunburst dials and near COSC accuracy, with one owner noting a movement losing only about 2 seconds per day. However, opinions are divided on the bracelet, with some finding it comfortable and featuring a useful slide-lock extension, while others criticize it for lacking micro-adjustments, having pinch-prone links, sharp lugs, and an uncomfortable feel. The screw-down crown operation is also a point of contention, described by some as inconvenient or difficult. On balance, owners rate the Longines HYDROCONQUEST highly for its striking dial and value, despite mixed views on its bracelet and crown usability.