Side by side

Seestern S450 Ocean StarvsYema Flygraf Pilot

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Flygraf Pilot
YemaFlygraf Pilot
MSRP $990

At a glance

13 of 29 specs differ
Diameter
S450 Ocean Star40mm
Flygraf Pilot38.5mm
Power Reserve
S450 Ocean Star41h
Flygraf Pilot40h
Water Resistance
S450 Ocean Star100m
Flygraf Pilot100m
MSRP
S450 Ocean Star$299
Flygraf Pilot$990

Full specifications

Case

5 specs
Category
Diver
Pilot
Diameter
40mm
38.5mm
Thickness
12mm
8.8mm
Lug-to-Lug
48mm
Lug Width
20mm
19mm

Crystal & Dial

2 specs
Dial Color
White
Black
Lume
Tritium
None

Movement

5 specs
Caliber
TMI NH35A
Sellita SW200
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$990

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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.

Yema Flygraf Pilot

Owners praise the Yema Flygraf Pilot's legible Type A dial, functional industrial aesthetic, and wearable 39mm/40mm size. Some owners report concerns with Yema's customer service and quality control, while others find the in-house movement acceptable. The titanium case scratches more easily, and the bracelet's pin-and-collar system and long links are noted drawbacks. Accuracy figures range from +8 to +/- 10 seconds per day. On balance, owners appreciate the Yema Flygraf Pilot's design and wearability, though some express caution due to past quality control and customer service issues.

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