Side by side

Seestern S450 Ocean StarvsLongines CONQUEST HERITAGE CENTRAL POWER RESERVE

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
CONQUEST HERITAGE CENTRAL POWER RESERVE
LonginesCONQUEST HERITAGE CENTRAL POWER RESERVE
MSRP $4,300

At a glance

15 of 29 specs differ
Diameter
S450 Ocean Star40mm
CONQUEST HERITAGE CENTRAL POWER RESERVE38mm
Power Reserve
S450 Ocean Star41h
CONQUEST HERITAGE CENTRAL POWER RESERVE40h
Water Resistance
S450 Ocean Star100m
CONQUEST HERITAGE CENTRAL POWER RESERVE50m
MSRP
S450 Ocean Star$299
CONQUEST HERITAGE CENTRAL POWER RESERVE$4,300

Full specifications

Case

7 specs
Category
Diver
Diameter
40mm
38mm
Thickness
12mm
12.3mm
Lug-to-Lug
48mm
45.6mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
50m

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
Tritium
None

Movement

5 specs
Caliber
TMI NH35A
L896
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$4,300

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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 CONQUEST HERITAGE CENTRAL POWER RESERVE

The Longines Conquest Heritage Central Power Reserve is widely praised for its beautiful, timeless, 1959-inspired dial and unique central power reserve indicator, with owners considering it a top dress watch in its price segment. Reviewers highlight its balanced layout and contemporary 38mm size, while some owners find the short lugs contribute to a comfortable wear. The watch features a modern 72-hour power reserve movement and is priced at $3,800. One reviewer notes the lugs are not curved enough, potentially creating a gap with the strap, though owners report the alligator strap softens with wear and some find the watch slightly chunky. A potential frustration for some owners is the power reserve indicator not always resetting to the same position when fully wound. On balance, owners and reviewers rate the Longines Conquest Heritage Central Power Reserve highly for its handsome vintage aesthetic and unique power reserve complication at an appropriate price.

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