Side by side

Hamilton American Classic PSR Digital QuartzvsSeestern S450 Ocean Star

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

American Classic PSR Digital Quartz
HamiltonAmerican Classic PSR Digital Quartz
MSRP $1,225
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

15 of 29 specs differ
Diameter
American Classic PSR Digital Quartz41mm
S450 Ocean Star40mm
Power Reserve
American Classic PSR Digital Quartz40h
S450 Ocean Star41h
Water Resistance
American Classic PSR Digital Quartz100m
S450 Ocean Star100m
MSRP
American Classic PSR Digital Quartz$1,225
S450 Ocean Star$299

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
41mm
40mm
Thickness
13.3mm
12mm
Lug-to-Lug
46mm
48mm
Lug Width
24mm
20mm
Material
Stainless Steel
316L Stainless Steel

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
None
Tritium

Movement

6 specs
Caliber
H-10e
TMI NH35A
Type
Quartz
Automatic
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$1,225
$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.

Hamilton American Classic PSR Digital Quartz

Owners widely praise the Hamilton American Classic PSR Digital Quartz for its cool retro-futuristic design and historical reissue status, with many finding it comfortable for all-day wear on its tapering bracelet. Reviewers and owners consistently highlight its exceptional accuracy, with figures ranging from +/- zero seconds per day to -0.5 to +0.7 seconds per day. The watch features a hybrid dual display with LCD and OLED technology, a sapphire crystal, and 100m water resistance, with battery life estimated at three to five years. Some owners note sharp edges on the clasp buttons and a lack of micro-adjustments on the butterfly clasp, while others find the red LCD dim outdoors and the display activation delayed, requiring a button press to see the time in the dark. The price is considered accessible by some for its unique character and heritage, though others find it expensive for a quartz digital watch.

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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