Side by side

Borealis Watch Co. SintravsIslander Islander JFK Automatic GMT Watch with Batman Dial #ISL-338

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

Sintra
Borealis Watch Co.Sintra
MSRP $650
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
IslanderIslander JFK Automatic GMT Watch with Batman Dial #ISL-338
MSRP $429

At a glance

17 of 29 specs differ
Diameter
Sintra41.50mm
Islander JFK Automatic GMT Watch with Batman Dial #ISL-33842mm
Power Reserve
Sintra40h
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338
Water Resistance
Sintra200m
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338200m
MSRP
Sintra$650
Islander JFK Automatic GMT Watch with Batman Dial #ISL-338$429

Full specifications

Case

7 specs
Category
Sport
GMT
Diameter
41.50mm
42mm
Thickness
12.95mm
14.5mm
Lug-to-Lug
47.00mm
47.8mm
Lug Width
20mm
20mm
Finish
Brushed and polished
Caseback
Solid
Screw-down

Crystal & Dial

5 specs
Crystal Shape
Flat
Domed
AR Coating
Inner
Underside
Dial Color
Black
Indices
Applied
Lume
BGW9
None

Movement

4 specs
Caliber
Miyota 9015
Seiko NH34
Beat Rate
28,800 vph
0 vph
Power Reserve
40h
0h
Jewels
25
0

Pricing

1 specs
MSRP
$650
$429

Follow this matchup

Get a note when Borealis Watch Co. Sintra vs Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 gets more votes, a community discussion, or a price drop. No account needed.

What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Borealis Watch Co. Sintra

Borealis Watch Co. Sintra owners widely praise its well-executed design, featuring applied indices and a shimmering blue dial that some prefer over more expensive alternatives. The timepiece is noted for excellent build quality and high-end specifications for its price, including a Miyota 90S5 movement and a premium bracelet. One owner did not purchase due to its size not being 39mm or less, while the 90xx movements are considered reliable and accurate, though some find them noisy. On balance, owners rate the Borealis Watch Co. Sintra highly for its impressive design and build quality at its price point.

Islander JFK Automatic GMT Watch with Batman Dial #ISL-338

Owners widely praise the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 for its attractive dial texture and Pepsi bezel, with some finding the gold-tone accents and overall aesthetic to be a standout feature. The watch is also noted for its comfortable wearability and a useful GMT function, making it a popular choice for daily wear and vacations, further supported by its 200m water resistance. On balance, owners rate the Islander JFK Automatic GMT Watch with Batman Dial #ISL-338 highly for its visually appealing design and practical features at its price point.

Keep exploring

More watches worth a look

Matched to the watches above on size, movement, style and price — microbrands first. Open any one to dig in.

Adjacent matchups

People also compared

Comparisons nearby in the catalog — alternatives to the watches above paired against the matchup.