Side by side

Oris Aquis Date Calibre 400vsIslander Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18

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

Aquis Date Calibre 400
OrisAquis Date Calibre 400
MSRP $5,150
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18
IslanderIslander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18
MSRP $429

At a glance

16 of 29 specs differ
Diameter
Aquis Date Calibre 40041.5mm
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-1843mm
Power Reserve
Aquis Date Calibre 400120 hoursh
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18
Water Resistance
Aquis Date Calibre 400300m
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18200m
MSRP
Aquis Date Calibre 400$5,150
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18$429

Full specifications

Case

6 specs
Diameter
41.5mm
43mm
Thickness
14mm
Lug-to-Lug
46mm
Finish
Water Resistance
300m
200m
Caseback
Engraved screw-in back

Crystal & Dial

4 specs
Crystal Shape
Double Domed
AR Coating
Underside
Yes
Dial Color
Blue
Indices

Movement

5 specs
Caliber
CALIBRE 400
Seiko NH36
Beat Rate
4 vph
0 vph
Power Reserve
120 hoursh
0h
Jewels
21
0
Complications
Date
None

Pricing

1 specs
MSRP
$5,150
$429

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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 Aquis Date Calibre 400

The Oris Aquis Date Calibre 400 is widely lauded for its exclusive in-house movement, offering a five-day power reserve, 10-year warranty, and 10-year service interval. Reviewers and owners praise its impressive accuracy, with figures ranging from under a second per day to seven seconds fast per day. The watch features a refined case with slimmer lugs and an updated dial for improved ergonomics, a patented quick-change system for straps, and a smooth, precise bezel action. Some find the dial can be shiny with glare from the domed crystal. Overall, owners and reviewers rate the Oris Aquis Date Calibre 400 highly for its significant advancements in mechanical watchmaking and value proposition.

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18

Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 owners praise its $300 value, noting the double-domed AR sapphire crystal and embossed ceramic bezel. The 43mm size is appreciated, and the NH36 movement offers hand-winding and hacking. On balance, owners rate the Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18 highly for its substantial feel and feature set at the price point.

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