Side by side

Lum-Tec Combat FieldvsSeestern S450 Ocean Star

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

Combat Field
Lum-TecCombat Field
MSRP $695
S450 Ocean Star
SeesternS450 Ocean Star
MSRP $299

At a glance

16 of 29 specs differ
Diameter
Combat Field44mm
S450 Ocean Star40mm
Power Reserve
Combat Field40h
S450 Ocean Star41h
Water Resistance
Combat Field200m
S450 Ocean Star100m
MSRP
Combat Field$695
S450 Ocean Star$299

Full specifications

Case

7 specs
Category
Sport
Diver
Diameter
44mm
40mm
Thickness
12mm
Lug-to-Lug
50mm
48mm
Lug Width
22mm
20mm
Material
Titanium
316L Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

3 specs
Crystal
Domed Sapphire
Sapphire
Dial Color
X6 Titanium GMT
White
Lume
None
Tritium

Movement

5 specs
Caliber
Miyota 9075
TMI NH35A
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
41h
Jewels
25
24
Complications
None
GMT, Date

Pricing

1 specs
MSRP
$695
$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.

Lum-Tec Combat Field

Owners widely praise the Lum-Tec Combat Field for its rugged build and excellent lume, with one owner highlighting the bronze case and California dial as special features. The DLC coating is considered durable, and the PVD finish offers a "pure sport" blacked-out aesthetic. Some owners appreciate the modern look and design elements like skeleton hands and a 9 o'clock crown, noting that the 43mm case wears smaller than its dimensions suggest. One owner experienced an issue with a chronograph second hand not aligning correctly, a common quartz chronograph problem. On balance, owners rate the Lum-Tec Combat Field highly for its robust construction and distinctive design elements.

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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