Side by side

Seestern S450 Ocean StarvsHELM Togiak Expedition UTC

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

S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299
Togiak Expedition UTC
HELMTogiak Expedition UTC
MSRP $380

At a glance

14 of 29 specs differ
Diameter
S450 Ocean Star40mm
Togiak Expedition UTC42mm
Power Reserve
S450 Ocean Star41h
Togiak Expedition UTC40h
Water Resistance
S450 Ocean Star100m
Togiak Expedition UTC200m
MSRP
S450 Ocean Star$299
Togiak Expedition UTC$380

Full specifications

Case

7 specs
Category
Diver
GMT
Diameter
40mm
42mm
Thickness
12mm
14mm
Lug-to-Lug
48mm
49mm
Lug Width
20mm
22mm
Material
316L Stainless Steel
Titanium
Water Resistance
100m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
White
Black
Lume
Tritium
Super-LumiNova

Movement

3 specs
Caliber
TMI NH35A
Seiko Instruments NH34
Beat Rate
21,600 vph
28,800 vph
Power Reserve
41h
40h

Pricing

1 specs
MSRP
$299
$380

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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.

HELM Togiak Expedition UTC

The HELM Togiak Expedition UTC is widely praised for its unique design and excellent lume, with owners appreciating its lightweight titanium case and 200m ISO 6425 capability. Some owners note that its 42mm diameter wears smaller than expected, while others find the size and weight potentially unsuitable for smaller wrists, and the stock bracelet or strap uncomfortable. On balance, owners rate the HELM Togiak Expedition UTC highly for its distinctive design and robust build at its price point.

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