Side by side

Seestern S450 Ocean StarvsGrand Seiko SBGR261

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
SBGR261
Grand SeikoSBGR261
MSRP $4,900

At a glance

16 of 29 specs differ
Diameter
S450 Ocean Star40mm
SBGR26139.5mm
Power Reserve
S450 Ocean Star41h
SBGR26172h
Water Resistance
S450 Ocean Star100m
SBGR26130m
MSRP
S450 Ocean Star$299
SBGR261$4,900

Full specifications

Case

7 specs
Category
Diver
Dress
Diameter
40mm
39.5mm
Thickness
12mm
13.1mm
Lug-to-Lug
48mm
46.9mm
Lug Width
20mm
19mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
100m
30m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Black
Lume
Tritium
None

Movement

5 specs
Caliber
TMI NH35A
9S65
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
72h
Jewels
24
25
Complications
GMT, Date
None

Pricing

1 specs
MSRP
$299
$4,900

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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.

Grand Seiko SBGR261

Grand Seiko SBGR261 owners praise its perfect 39.5mm dimensions, beautiful cream lacquered dial with a silver date disc, and blued second hand, noting the excellent finishing for its price point and its suitability for formal events. Some find the design too safe and the cream dial with leather strap less appealing, while others flag its over 13mm thickness as too tall for a dress watch. The movement finishing is described as rudimentary, though the 9S65 automatic is considered well-made and a terrific value. Overall, owners rate the Grand Seiko SBGR261 highly for its classic design and excellent finishing at its price.

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