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Seiko Prospex Sea Save the Ocean Special EditionvsLongines HydroConquest 44mm

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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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.

Seiko Prospex Sea Save the Ocean Special Edition

Owners widely praise the Seiko Prospex Sea Save the Ocean Special Edition for its exceptional and captivating dial designs, often described as a highlight that evokes ocean surfaces with unique textures and color gradients. The watch is frequently noted for its excellent value, with some reviewers comparing its aesthetics to much higher-priced brands. Owners report satisfactory lume and accurate timekeeping, with figures ranging from +5 seconds per day to more precise results. However, some owners and reviewers point to the bracelet clasp as a point of criticism, describing it as underwhelming or flimsy, and some find the watch to be top-heavy. There are also mentions of imperfect day/date wheel alignment and occasional bezel alignment issues on some models within the line. The Seiko Prospex Sea Save the Ocean Special Edition is available in various case sizes, with some owners questioning if certain dimensions are too bulky for daily wear.

Longines HydroConquest 44mm

Owners widely praise the Longines HydroConquest 44mm for its excellent price-performance ratio, sturdy build, and eye-catching dial, with some noting impressive accuracy losing only about 2 seconds per day. The watch is considered a great pickup for a first Swiss timepiece, and its elegant yet sporty appearance is appreciated on larger wrists. However, multiple owners report that the 44mm size wears larger than expected, with some finding it too big even for larger individuals, and the bracelet is criticized for lacking tool-less micro-adjustment, leading to occasional discomfort. On balance, owners rate the Longines HydroConquest 44mm highly for its value and aesthetic appeal, despite concerns about its substantial size for some wearers.

At a glance

15 of 29 specs differ
Diameter
Prospex Sea Save the Ocean Special Edition43.8mm
HydroConquest 44mm44mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
HydroConquest 44mm
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
HydroConquest 44mm
MSRP
Prospex Sea Save the Ocean Special Edition$650
HydroConquest 44mm$1,600

Full specifications

Case

6 specs
Diameter
43.8mm
44mm
Thickness
12.8mm
0mm
Lug-to-Lug
48.7mm
0mm
Lug Width
22mm
0mm
Water Resistance
200m
Caseback
Solid

Crystal & Dial

4 specs
AR Coating
Anti-reflective coating on inner surface
Dial Color
Sunray blue
Indices
Applied
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

4 specs
Caliber
Seiko 4R35
Power Reserve
41h
0h
Jewels
23
0
Complications
None
Date

Pricing

1 specs
MSRP
$650
$1,600
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