Side by side

CWC (Cabot Watch Company) RN81 Diver Automatic WatchvsIslander Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311

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

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RN81 Diver Automatic Watch
CWC (Cabot Watch Company)RN81 Diver Automatic Watch
MSRP $2,858
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
IslanderIslander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311
MSRP $399
Buy from CWC (Cabot Watch Company) ↗
Buy used on eBay ↗
Buy from Islander ↗
Buy used on eBay ↗

At a glance

14 of 29 specs differ
Diameter
RN81 Diver Automatic Watch45mm
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-31140mm
Power Reserve
RN81 Diver Automatic Watch40h
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311—
Water Resistance
RN81 Diver Automatic Watch300m
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311200m
MSRP
RN81 Diver Automatic Watch$2,858
Islander Bayport Automatic Dive Watch with Blue Wave Dial #ISL-311$399

Full specifications

Case

6 specs
Category
—
Diver
Diameter
45mm
40mm
Thickness
12.7mm
13.5mm
Lug-to-Lug
47mm
48mm
Finish
Brushed and polished
—
Water Resistance
300m
200m

Crystal & Dial

3 specs
AR Coating
Inner
Yes
Dial Color
—
—
Indices
Applied
—

Movement

4 specs
Caliber
Sellita SW200-1
Seiko NH35
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
—
$399
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