Side by side

Orient 75th Anniversary RA-AC0Q12L30BvsSeestern S450 Ocean Star

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

75th Anniversary RA-AC0Q12L30B
Orient75th Anniversary RA-AC0Q12L30B
MSRP $405
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

12 of 29 specs differ
Diameter
75th Anniversary RA-AC0Q12L30B39.9mm
S450 Ocean Star40mm
Power Reserve
75th Anniversary RA-AC0Q12L30B40h
S450 Ocean Star41h
Water Resistance
75th Anniversary RA-AC0Q12L30B200m
S450 Ocean Star100m
MSRP
75th Anniversary RA-AC0Q12L30B$405
S450 Ocean Star$299

Full specifications

Case

5 specs
Diameter
39.9mm
40mm
Thickness
12.8mm
12mm
Lug-to-Lug
46.5mm
48mm
Material
Stainless Steel
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Dial Color
Blue
White
Lume
None
Tritium

Movement

4 specs
Caliber
F6722
TMI NH35A
Power Reserve
40h
41h
Jewels
22
24
Complications
Date
GMT, Date

Pricing

1 specs
MSRP
$405
$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.

Orient 75th Anniversary RA-AC0Q12L30B

The Orient 75th Anniversary RA-AC0Q12L30B is widely praised for its classy, dressy aesthetic, beautiful periwinkle or light blue sunray dial with deep-relief radial grooves, and crisp engraved bezel numerals, all within a compact 39.9mm to 40mm case. Owners consider it a great value, with some noting it looks better in person and is destined to become a classic, punching above its price point. One owner finds the dial color too feminine for a dive watch and considered the dial craftsmanship inferior to the Presage Cocktail series, while another flags the lack of lume as a drawback. The bracelet clasp and end links are consistently considered a weak point, and the steel case is noted as less rounded than other Orient divers. The watch features 200m water resistance and a 46.5mm lug-to-lug measurement. Overall, owners rate the Orient 75th Anniversary RA-AC0Q12L30B highly for its stunning dial and compact size at the price.

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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