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Momentum Sea Quartz 30 Eclipse - Combined ListingvsSeiko Prospex Sea Save the Ocean Special Edition

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

Sea Quartz 30 Eclipse - Combined Listing
MomentumSea Quartz 30 Eclipse - Combined Listing
MSRP $335
What people say

Owners + reviewers, side by side

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

Momentum Sea Quartz 30 Eclipse - Combined Listing

Owners widely praise the Momentum Sea Quartz 30 Eclipse for its comfortable wearability, legibility, and value, noting its bright lume and sapphire crystal. The watch is seen as a faithful reissue with a fun, vintage-inspired design. Some owners report the quartz second hand does not always precisely align with the dial markers, and the bezel action is described as stiff with some backplay, though reviewers consider these minor points acceptable given the affordable price. Overall, owners and reviewers rate the Momentum Sea Quartz 30 Eclipse highly for its vintage aesthetic and excellent value.

Seiko Prospex Sea Save the Ocean Special Edition

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its attractive, unique, and textured dials, often described as having a "Grand Seiko feel" at a more accessible price point, with specific mentions of wave patterns, lagoon hues, and manta ray motifs. Owners appreciate the smooth bezel operation and satisfactory lume. Accuracy figures vary, with one owner reporting +5 seconds per day, while another notes a range from +1/+2 to about -6 seconds per day. The 6R35 movement offers a 70-hour power reserve, and some models feature sapphire crystals. Criticisms include a desire for exhibition casebacks and concerns about the quality and security of the stamped metal clasps and bracelets, which are frequently described as rattly or underwhelming, though this is noted as a common Seiko trait. Some owners are split on the number of Save the Ocean variations and dislike the cyclops magnifier.

At a glance

14 of 29 specs differ
Diameter
Sea Quartz 30 Eclipse - Combined Listing42mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Sea Quartz 30 Eclipse - Combined Listing40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Sea Quartz 30 Eclipse - Combined Listing300m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Sea Quartz 30 Eclipse - Combined Listing$335
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

6 specs
Category
Diver
Diameter
42mm
45mm
Thickness
12.6mm
13.2mm
Lug-to-Lug
46mm
47.7mm
Lug Width
20mm
22mm
Water Resistance
300m
200m

Crystal & Dial

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

Movement

4 specs
Caliber
Epson VS43A
4R36
Type
Solar
Automatic
Power Reserve
40h
41h
Jewels
25
24

Pricing

1 specs
MSRP
$335
$625
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