Side by side

Audaz Reef DivervsOrient Helios

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

Reef Diver
AudazReef Diver
MSRP $420
Helios
OrientHelios
MSRP $335
What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Audaz Reef Diver

The Audaz Reef Diver is described as a bold, rugged, and dependable tool watch with a focus on clarity and accuracy for diving. It features a 45mm 316L stainless steel case, sapphire crystal, Super-LumiNova C3, and 300m water resistance. One owner notes it is a large, heavy watch. The Audaz Reef Diver is powered by a Seiko NH35 automatic movement and is priced starting at $269. Overall, owners and reviewers view the Audaz Reef Diver positively as a robust tool watch with a clear dial and strong water resistance for its price.

Orient Helios

The Orient Helios is widely praised for its vibrant dial, open-heart design, and excellent value for money, with owners noting its great finish and quality that exceeds its price point. The watch is described as attractive and stylish, with a thin profile that wears comfortably, though some owners wish it were smaller. Accuracy figures vary, with one owner reporting it consistently runs 5-6 seconds fast per day, while another sees it at 1-2 seconds fast. Opinions are split on the inclusion of a date window, with some finding it desirable for practicality and aesthetic balance, while others prefer its absence. The stock bracelet receives mixed reviews, with one owner finding it awkward and upgrading to a strap, while another considers it nice with a smooth finish and solid links. Overall, owners rate the Orient Helios highly for its mesmerizing open-heart dial and impressive quality at an attainable price.

At a glance

18 of 29 specs differ
Diameter
Reef Diver45mm
Helios40.5mm
Power Reserve
Reef Diver
Helios40h
Water Resistance
Reef Diver300m
Helios30m
MSRP
Reef Diver$420
Helios$335

Full specifications

Case

7 specs
Category
Diameter
45mm
40.5mm
Thickness
15.5mm
12mm
Lug-to-Lug
53mm
47mm
Lug Width
24mm
21mm
Water Resistance
300m
30m
Caseback
Solid
Display

Crystal & Dial

6 specs
Crystal
Sapphire
Mineral
Crystal Shape
Flat
AR Coating
Inner
Dial Color
Camouflage
Green
Indices
Applied
Lume
SuperLuminova
None

Movement

4 specs
Caliber
Seiko NH35
FT622
Beat Rate
28,800 vph
21,600 vph
Power Reserve
40h
Jewels
25
22

Pricing

1 specs
MSRP
$420
$335
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