Side by side

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

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

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
Black Bay
TudorBlack Bay

At a glance

13 of 29 specs differ
Diameter
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-1843mm
Black Bay41mm
Power Reserve
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18
Black Bay70h
Water Resistance
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18200m
Black Bay200m
MSRP
Islander Automatic Dive Watch with Bracelet, Double-Domed AR Sapphire Crystal, and Embossed Ceramic Bezel Insert #ISL-18$429
Black Bay

Full specifications

Case

4 specs
Diameter
43mm
41mm
Thickness
14mm
14.7mm
Finish
Polished + Satin
Caseback
Engraved screw-in back
Engraved

Crystal & Dial

4 specs
Crystal Shape
Double Domed
Flat
AR Coating
Yes
Inner
Dial Color
Black
Indices
Applied

Movement

4 specs
Caliber
Seiko NH36
MT5602
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
70h
Jewels
0
25

Pricing

1 specs
MSRP
$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.

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.

Tudor Black Bay

Owners widely praise the Tudor Black Bay for its comfortable wearability, robust build, and vintage-inspired aesthetics, with specific mentions of its satisfying winding feel and sturdy bezel action. Reviewers highlight the 39mm Black Bay 58's comfortable size and thinness, while others note the 41mm Master Chronometer's reliable timekeeping and magnetic resistance. Some owners find the GMT hand difficult to distinguish in low light. A recurring point of contention across multiple sources is the lack of on-the-fly micro-adjustment on the bracelet, though some find aftermarket solutions adequate. One owner reported the watch losing two minutes a day after six years, requiring a service. Overall, owners and reviewers rate the Tudor Black Bay highly for its blend of vintage charm, modern robustness, and comfortable wearability.

From video reviewers

The COSC-certified accuracy of the movement is a notable strength. The 14.7mm to 14.8mm thickness is cited as a potential drawback. Reviewers are divided on whether the newer models represent a departure from the Black Bay's heritage design.

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