Side by side

Venezianico Nereide GMT Grand TourvsSeestern S450 Ocean Star

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

Nereide GMT Grand Tour
VenezianicoNereide GMT Grand Tour
MSRP $1,150
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

14 of 29 specs differ
Diameter
Nereide GMT Grand Tour39mm
S450 Ocean Star40mm
Power Reserve
Nereide GMT Grand Tour40h
S450 Ocean Star41h
Water Resistance
Nereide GMT Grand Tour100m
S450 Ocean Star100m
MSRP
Nereide GMT Grand Tour$1,150
S450 Ocean Star$299

Full specifications

Case

5 specs
Category
GMT
Diver
Diameter
39mm
40mm
Thickness
11.9mm
12mm
Lug-to-Lug
45.5mm
48mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

3 specs
AR Coating
Yes
Inner
Dial Color
Black
White
Lume
Super-LumiNova
Tritium

Movement

5 specs
Caliber
Miyota 9075
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,150
$299

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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.

Venezianico Nereide GMT Grand Tour

Owners widely praise the Venezianico Nereide GMT Grand Tour for its beautiful and colorful design, refined muted blue dial, and Italian-made 39mm case with sapphire crystal and AR coating. The bracelet is frequently noted as feeling great on the wrist, and one owner reports excellent accuracy at +-2 seconds per day. Some owners appreciate the dress-casual sport watch feel and the rose gold mirrored bezel portion, while others find the optical glass bezel preferable for reduced glare. However, some find the watch large, and one owner experienced the butterfly clasp opening while swimming. The price is considered steep by some for a Miyota GMT, though others feel it is justified by the improved case finishing and solid feel, especially compared to other movements. The unidirectional 120-click bezel is noted as essentially a diver bezel with a different insert.

Seestern S450 Ocean Star

Owners widely praise the Seestern S450 Ocean Star's Yachtmaster-style case and flawless bracelet finishing, with one owner noting the ST2130 movement keeps good time. The bezel action is described as having individual notches but feeling like a friction bezel, while another owner flags the bezel and crown action as smooth with perfect alignment. Lume is a point of contention, with one source describing it as a nice cool blue with ice-white application, while others note it as weak or not matching Prospex standards, despite using BGW-9. The watch is considered a "big boy" ideal for larger wrists (19cm+), potentially too large for 17cm wrists due to its size and non-tapering bracelet. Overall, owners rate the Seestern S450 Ocean Star highly for its build quality and finishing at the price point, despite some reservations about its size and lume intensity.

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