Side by side

Seiko Prospex Sea Save the Ocean Special EditionvsZelos Helmsman 3

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

Helmsman 3
ZelosHelmsman 3
MSRP $529

At a glance

11 of 29 specs differ
Diameter
Prospex Sea Save the Ocean Special Edition42.4mm
Helmsman 340mm
Power Reserve
Prospex Sea Save the Ocean Special Edition41h
Helmsman 340h
Water Resistance
Prospex Sea Save the Ocean Special Edition200m
Helmsman 3200m
MSRP
Prospex Sea Save the Ocean Special Edition$550
Helmsman 3$529

Full specifications

Case

4 specs
Diameter
42.4mm
40mm
Thickness
13.4mm
11.5mm
Lug-to-Lug
49.4mm
40mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
Crystal
Hardlex
Domed Sapphire
Dial Color
Black
SS - Frost
Lume
LumiBrite on hands, index(es) and bezel
None

Movement

3 specs
Caliber
4R36
Miyota 9015
Power Reserve
41h
40h
Jewels
24
25

Pricing

1 specs
MSRP
$550
$529

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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

The Seiko Prospex Sea Save the Ocean Special Edition is widely praised for its visually striking and unique dial designs, often described as a standout feature offering significant aesthetic appeal for the price. Owners and reviewers consistently highlight the attractive blue gradients, wave patterns, and textured finishes that evoke ocean depths. The watch is generally considered comfortable to wear, with a well-proportioned case size and good build quality. Accuracy is reported as around +5 seconds per day by one owner. However, several sources point to the bracelet and clasp as a weak point, with criticisms including pin-and-collar construction, stamped clasps, and a lack of a convenient diver's extension. Some reviewers also note potential issues with bezel alignment and day/date wheel alignment. On balance, owners and reviewers rate the Seiko Prospex Sea Save the Ocean Special Edition highly for its exceptional dial design and overall value.

Zelos Helmsman 3

Owners widely praise the Zelos Helmsman 3 for its exceptional finishing and polishing on the titanium case, with some noting it feels nicer than previous models. The unique Titanium Crystalline Dial and Damascus Titanium dial are frequently highlighted as aesthetically pleasing and head-turning features, especially considering the price point. The brushed beads of rice bracelet is described as fitting well, and the on-the-fly clasp is considered amazing. Lume is also noted as great, with lumed crowns being a positive observation. However, some owners report the watch can feel top-heavy with sharp edges, making it uncertain as a daily driver for some. The meteorite bezel is seen by one owner as not adding significant value, and the stock strap's keepers and stitching were considered to detract from the watch's appearance.

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