Side by side

RZE EndeavourvsSeestern S450 Ocean Star

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

Endeavour
RZEEndeavour
MSRP $599
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

14 of 29 specs differ
Diameter
Endeavour41mm
S450 Ocean Star40mm
Power Reserve
Endeavour40h
S450 Ocean Star41h
Water Resistance
Endeavour100m
S450 Ocean Star100m
MSRP
Endeavour$599
S450 Ocean Star$299

Full specifications

Case

5 specs
Category
Sport
Diver
Diameter
41mm
40mm
Thickness
12.5mm
12mm
Lug-to-Lug
46mm
48mm
Material
Grade 5 Titanium
316L Stainless Steel

Crystal & Dial

3 specs
AR Coating
Underside
Inner
Dial Color
Grey
White
Lume
Super-LumiNova C3
Tritium

Movement

5 specs
Caliber
Miyota 9039
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
$599
$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.

RZE Endeavour

The RZE Endeavour is widely praised for its exceptionally lightweight and comfortable titanium case, enhanced by an ULTRAHex coating for durability. Owners and reviewers highlight its striking dial, excellent lume, and the practical inclusion of a toolless adjustable clasp. The watch is noted for reliable timekeeping, with accuracy reported between +1 and +6 seconds per day. Some find the hands and indices slim, and one owner desired better contrast on the bezel's zero marker. The RZE Endeavour offers a value proposition with its 200m water resistance and Seiko NH38A movement. Overall, owners and reviewers highly rate the RZE Endeavour for its comfortable, lightweight titanium build and vibrant dial options.

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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