Side by side

Hemel HFT20vsSeestern S450 Ocean Star

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

HFT20
HemelHFT20
MSRP $450
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

13 of 29 specs differ
Diameter
HFT2042mm
S450 Ocean Star40mm
Power Reserve
HFT2040h
S450 Ocean Star41h
Water Resistance
HFT20100m
S450 Ocean Star100m
MSRP
HFT20$450
S450 Ocean Star$299

Full specifications

Case

4 specs
Category
Chronograph
Diver
Diameter
42mm
40mm
Thickness
12mm
Lug-to-Lug
49mm
48mm

Crystal & Dial

2 specs
Dial Color
Black
White
Lume
None
Tritium

Movement

6 specs
Caliber
Seiko VK64
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
$450
$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.

Hemel HFT20

The Hemel HFT20 Chronograph is praised for its legible matte black dial, sapphire crystal, and the satisfying sweep of its chronograph hand, powered by the Seiko VK64 meca-quartz movement. Reviewers note its convenient wearability, with a 42mm case that wears well due to its 49mm lug-to-lug measurement, and a comfortable, well-made leather strap. However, its 16mm thickness is considered slightly more than ideal for the movement, and the chronograph minutes sub-dial does not precisely jump. Overall, reviewers find the Hemel HFT20 to be an accessible and modern interpretation of vintage designs, offering good value at $449.

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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