Side by side

Oris Divers Sixty‑Five DatevsSeiko Prospex Sea

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

Divers Sixty‑Five Date
OrisDivers Sixty‑Five Date
MSRP $2,850
Prospex Sea
SeikoProspex Sea
MSRP $1,100

At a glance

17 of 29 specs differ
Diameter
Divers Sixty‑Five Date40mm
Prospex Sea41.3mm
Power Reserve
Divers Sixty‑Five Date41 hoursh
Prospex Sea72h
Water Resistance
Divers Sixty‑Five Date100m
Prospex Sea300m
MSRP
Divers Sixty‑Five Date$2,850
Prospex Sea$1,100

Full specifications

Case

6 specs
Diameter
40mm
41.3mm
Thickness
12.5mm
Lug-to-Lug
48.2mm
Finish
Brushed and polished
Water Resistance
100m
300m
Caseback
Solid

Crystal & Dial

5 specs
Crystal Shape
Flat
AR Coating
Underside
Anti-reflective coating on inner surface
Dial Color
Green
Black
Indices
Applied
Lume
None
LumiBrite on hands, index(es) and bezel

Movement

5 specs
Caliber
733-1
6R55
Beat Rate
4 vph
28,800 vph
Power Reserve
41 hoursh
72h
Jewels
26
24
Complications
Date
None

Pricing

1 specs
MSRP
$2,850
$1,100

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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.

Oris Divers Sixty‑Five Date

Owners praise the Oris Divers Sixty‑Five Date for its fun color variations, comfortable strap, and slim, wearable case size. One owner notes the bezel has zero grip despite minimal backplay and perfect alignment. However, one owner experienced significant issues including the watch stopping under warranty, bracelet pin failures leading to a lost link, and internal moisture and corrosion appearing two years after a service.

Seiko Prospex Sea

Seiko Prospex Sea models are widely praised for their excellent build quality, value for money, and comfortable wearability, with many appreciating the vintage-inspired designs and robust construction. Owners note the silicone straps are surprisingly comfortable and well-finished, and the Lumibrite lume is excellent. However, some find the 44.3mm size and thickness too large for smaller wrists, though others report the sizing as perfect. The 6R15 movement in some variants offers accuracy around +4 seconds per day with a 50-hour power reserve, while newer movements offer more. Some models are criticized for a bracelet width not matching the case size or a rudimentary clasp for their price point. Overall, owners and reviewers rate the Seiko Prospex Sea highly for its impressive case work and finishing at its price point.

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