Side by side

Bremont S502vsZelos Helica Moonphase

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

S502
BremontS502
MSRP $5,100
Helica Moonphase
ZelosHelica Moonphase
MSRP $1,049

At a glance

9 of 29 specs differ
Diameter
S50243mm
Helica Moonphase39mm
Power Reserve
S50240h
Helica Moonphase40h
Water Resistance
S502500m
Helica Moonphase100m
MSRP
S502$5,100
Helica Moonphase$1,049

Full specifications

Case

6 specs
Category
Diver
Moonphase
Diameter
43mm
39mm
Thickness
16.5mm
10mm
Lug-to-Lug
39mm
Lug Width
16.5mm
20mm
Water Resistance
500m
100m

Crystal & Dial

1 specs
Dial Color
Black
Meteorite

Movement

1 specs
Caliber
BE-93-2AE
Sellita SW288 Moonphase

Pricing

1 specs
MSRP
$5,100
$1,049

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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.

Bremont S502

The Bremont S502 is widely praised for its attractive full-stealth, black DLC treatment, and the beige lume that complements its Spec Ops design, with a burnt-orange GMT hand enhancing legibility. Owners find the watch handsome and cool, appreciating the 'black & tan' aesthetic suitable for hard wear. The Bremont S502 features a 502m water-resistance rating and a 42-hour power reserve, powered by a chronometer-rated Bremont BE-93-2AV automatic movement. While many like the NATO strap for its aesthetic and how it ties in with the PVD metalwork, some prefer the original black rubber strap for its comfort and custom fit. On balance, owners and reviewers rate the Bremont S502 highly for its stealthy aesthetic and robust build.

Zelos Helica Moonphase

Owners widely praise the Zelos Helica Moonphase for its gorgeous aventurine dial, unique industrial-dress aesthetic, and comfortable wearability, with one owner calling it spectacular and another their favorite Zelos. The moonphase complication is frequently highlighted as beautiful, though some find the double moon distracting or the dial cluttered. A manual-wind movement combined with a screw-down crown is noted as a drawback by some, requiring adjustment and potentially feeling fragile when fully wound, while one owner reports a 43-hour power reserve. On balance, owners rate the Zelos Helica Moonphase highly for its stunning aventurine dial and unique design at its price point.

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