Side by side

AVI-8 Sabiha Gökçen 24-Hour Automatic Limited EditionvsSeestern S450 Ocean Star

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

Sabiha Gökçen 24-Hour Automatic Limited Edition
AVI-8Sabiha Gökçen 24-Hour Automatic Limited Edition
MSRP $465
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

14 of 29 specs differ
Diameter
Sabiha Gökçen 24-Hour Automatic Limited Edition42mm
S450 Ocean Star40mm
Power Reserve
Sabiha Gökçen 24-Hour Automatic Limited Edition40h
S450 Ocean Star41h
Water Resistance
Sabiha Gökçen 24-Hour Automatic Limited Edition50m
S450 Ocean Star100m
MSRP
Sabiha Gökçen 24-Hour Automatic Limited Edition$465
S450 Ocean Star$299

Full specifications

Case

6 specs
Category
Pilot
Diver
Diameter
42mm
40mm
Thickness
12mm
Lug-to-Lug
48mm
Lug Width
20mm
Water Resistance
50m
100m

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
None
Tritium

Movement

5 specs
Caliber
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
$465
$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.

AVI-8 Sabiha Gökçen 24-Hour Automatic Limited Edition

Owners are divided on the AVI-8 Sabiha Gökçen 24-Hour Automatic Limited Edition's design, with one calling it "horrible" and not a collector's item, while another finds it more meticulous than previous models, though still too busy and large. The watch features an NH34 movement with a 24-hour GMT function, measuring 42mm in diameter and 16mm thick. Owners also question the high resale prices. On balance, owners express significant reservations about the design and value proposition of the AVI-8 Sabiha Gökçen 24-Hour Automatic Limited Edition.

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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