Which is cheaper, the Nodus Sector II Sport or the Seiko Prospex Sea?

At MSRP the Nodus Sector II Sport is the cheaper of the two at $525, against $1,500 for the Seiko Prospex Sea — a $975 gap before any retailer discounting.

Which is bigger, the Nodus Sector II Sport or the Seiko Prospex Sea?

The Seiko Prospex Sea wears larger at 43.5mm versus 38mm for the Nodus Sector II Sport — a 5.5mm difference across the dial.

Which has better water resistance, the Nodus Sector II Sport or the Seiko Prospex Sea?

The Seiko Prospex Sea is rated to 200m versus 100m for the Nodus Sector II Sport.

Which has a longer power reserve, the Nodus Sector II Sport or the Seiko Prospex Sea?

The Seiko Prospex Sea carries a 70-hour power reserve against 41 hours on the Nodus Sector II Sport.

What movement does the Nodus Sector II Sport run compared to the Seiko Prospex Sea?

Both watches run automatic movements — the Nodus Sector II Sport uses the TMI NH38 (no-date) and the Seiko Prospex Sea uses the 6R35.

Side by side

Nodus Sector II SportvsSeiko Prospex Sea

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

Nodus Sector II Sport

sector-sport-frost

MSRP $525

Seiko Prospex Sea

spb349j1

MSRP $1,500

At a glance

14 of 29 specs differ

Diameter

Sector II Sport38mm

Prospex Sea43.5mm

Power Reserve

Sector II Sport41h

Prospex Sea70h

Water Resistance

Sector II Sport100m

Prospex Sea200m

MSRP

Sector II Sport$525

Prospex Sea$1,500

Full specifications

Case

7 specs

Crystal & Dial

4 specs

Crystal Shape

Domed

Flat

AR Coating

Yes

Anti-reflective coating on inner surface

Dial Color

Glossy

Black

Lume

Swiss Super-LumiNova® BGW9 Grade A

LumiBrite on hands and index(es)

Movement

2 specs

Caliber

TMI NH38 (no-date)

6R35

Power Reserve

41h

70h

Pricing

1 specs

MSRP

$525

$1,500

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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.

Nodus Sector II Sport

Owners widely praise the Nodus Sector II Sport for its comfortable 38mm wearability, unique three-level sector dial with applied indices, and thin case. Accuracy varies, with one owner reporting plus 4 seconds per day. Criticisms include a bulky clasp with sharp edges, a strong blue AR coating, and the non-reversible bronze bezel patina. The use of an NH38 movement in a watch priced over $500 is also noted. Overall, owners rate the Nodus Sector II Sport highly for its comfortable wearability and unique dial design.

From video reviewers

The crisp, clean dial and robust build quality are consistently praised. The lume on-wrist and water resistance are noted as strengths. Reviewers disagree on the value proposition of the Atlantis Edition due to its scarcity.

WatchCrunch

Seiko Prospex Sea

Seiko Prospex Sea owners and reviewers praise its Marinemaster-style aesthetic, excellent case finishing, and impressive LumiBrite lume. The watch is powered by the 6R15 movement with a 50-hour power reserve and comes with both a steel bracelet and a silicone strap. Some owners find the Seiko Prospex Sea to be a great value and a suitable first "proper" watch, while others report it is uncomfortably big, thick, and heavy on smaller wrists. Reviewers note the GMT function is secondary with a less prominent scale, and the bezel's quieter clicks may not appeal to all. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its classic design and finishing at its price point.

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