Side by side

Audaz Reef DivervsSeiko Prospex Sea

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

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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.

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.

Seiko Prospex Sea

Owners widely praise the Seiko Prospex Sea for its excellent lume, robust build, and value, with many highlighting the comfortable 4 o'clock crown and reliable movements. Reviewers note impressive case finishing and attractive dials, with specific models lauded for their gradient blue designs and smooth bezel actions. Accuracy figures vary, with one owner reporting +9 seconds/day after demagnetization, while others find the watches to be good first "proper" watches. Some owners find the stock rubber straps uncomfortable or the overall size substantial on smaller wrists. On balance, owners and reviewers rate the Seiko Prospex Sea highly for its combination of strong dive watch functionality and appealing design at its price point.

At a glance

14 of 29 specs differ
Diameter
Reef Diver45mm
Prospex Sea41mm
Power Reserve
Reef Diver
Prospex Sea70h
Water Resistance
Reef Diver300m
Prospex Sea200m
MSRP
Reef Diver$420
Prospex Sea$900

Full specifications

Case

6 specs
Category
Diver
Diameter
45mm
41mm
Thickness
15.5mm
12.3mm
Lug-to-Lug
53mm
46.9mm
Lug Width
24mm
20mm
Water Resistance
300m
200m

Crystal & Dial

4 specs
Crystal Shape
Curved
AR Coating
Anti-reflective coating on inner surface
Dial Color
Camouflage
Lume
SuperLuminova
LumiBrite on hands, index(es) and bezel

Movement

3 specs
Caliber
Seiko NH35
Seiko 6R35
Power Reserve
70h
Jewels
0
24

Pricing

1 specs
MSRP
$420
$900
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