Side by side

Seestern S450 Ocean StarvsBoldr Venture

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Venture
BoldrVenture
MSRP $339
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

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.

Boldr Venture

The Boldr Venture is widely praised for its lightweight and durable titanium case, excellent finishing, and comfortable wearability, with owners noting its legibility and good lume on the navy dial. It features a scratch-resistant sapphire crystal and 200m water resistance, making it suitable for daily wear. The included Expedition Canvas Strap is described as beautiful and comfortable. Overall, owners rate the Boldr Venture highly for its comfortable and durable titanium construction and excellent legibility.

At a glance

14 of 29 specs differ
Diameter
S450 Ocean Star40mm
Venture38mm
Power Reserve
S450 Ocean Star41h
Venture40h
Water Resistance
S450 Ocean Star100m
Venture200m
MSRP
S450 Ocean Star$299
Venture$339

Full specifications

Case

5 specs
Category
Diver
Tool
Diameter
40mm
38mm
Lug-to-Lug
48mm
44mm
Material
316L Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

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

Movement

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

Pricing

1 specs
MSRP
$299
$339
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