Side by side

Seestern S450 Ocean StarvsLongines EVIDENZA

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
EVIDENZA
LonginesEVIDENZA
MSRP $2,650

At a glance

22 of 29 specs differ
Diameter
S450 Ocean Star40mm
EVIDENZA38.75mm
Power Reserve
S450 Ocean Star41h
EVIDENZA50h
Water Resistance
S450 Ocean Star100m
EVIDENZA30m
MSRP
S450 Ocean Star$299
EVIDENZA$2,650

Full specifications

Case

9 specs
Category
Diver
Diameter
40mm
38.75mm
Thickness
12mm
10.5mm
Lug-to-Lug
48mm
45.6mm
Lug Width
20mm
18mm
Material
316L Stainless Steel
Stainless Steel
Finish
Brushed and polished
Water Resistance
100m
30m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Inner
Underside
Dial Color
White
Silver
Indices
Applied
Painted Arabic numerals
Lume
Tritium
Super-LumiNova

Movement

7 specs
Caliber
TMI NH35A
L615.3
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
50h
Jewels
24
0
Hacking
Yes
No
Hand-winding
Yes
No
Complications
GMT, Date
Hours, minutes, small second at 6 o'clock and date

Pricing

1 specs
MSRP
$299
$2,650

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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.

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.

Longines EVIDENZA

Owners widely praise the Longines EVIDENZA for its unique tonneau shape, elegant and classy aesthetic, and standout dial texture, with one owner highlighting its suitability for a classic look over 16 years. Reviewers and owners alike commend its blued hands and guilloche dial for evoking panache, though some note the cut-off '6' numeral as a flaw. One owner found the date window useful and well-placed, while another suggested its absence would improve the design. Overall, owners rate the Longines EVIDENZA highly for its distinctive design and elegant finishing.

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