Side by side

Henry Archer NordsøvsSeiko Prospex Sea Save the Ocean Special Edition

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

Nordsø
Henry ArcherNordsø
MSRP $4,999

At a glance

12 of 29 specs differ
Diameter
Nordsø40mm
Prospex Sea Save the Ocean Special Edition45mm
Power Reserve
Nordsø40h
Prospex Sea Save the Ocean Special Edition41h
Water Resistance
Nordsø200m
Prospex Sea Save the Ocean Special Edition200m
MSRP
Nordsø$4,999
Prospex Sea Save the Ocean Special Edition$625

Full specifications

Case

5 specs
Diameter
40mm
45mm
Thickness
10.6mm
13.2mm
Lug-to-Lug
47mm
47.7mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Stainless Steel

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$4,999
$625

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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.

Henry Archer Nordsø

Henry Archer Nordsø owners and reviewers widely praise its exceptional fit and finish for a sub-$500 watch, with its vibrant color use singled out as a strong point. Some find the blue hand against the green dial polarizing, and the hands are criticized as a design weakness. One reviewer notes the bezel knurling is slippery and lacks legibility for serious diving, though the 40mm size is comfortable and the Miyota 9039 movement offers good value. On balance, owners and reviewers rate the Henry Archer Nordsø highly for its striking design and impressive build quality at its price point.

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.

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