Side by side

Islander Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322vsYema Navygraf FSM Bronze

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

Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
IslanderIslander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
MSRP $429
Navygraf FSM Bronze
YemaNavygraf FSM Bronze
MSRP $1,350

At a glance

17 of 29 specs differ
Diameter
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-32240mm
Navygraf FSM Bronze38.5mm
Power Reserve
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322
Navygraf FSM Bronze40h
Water Resistance
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322100m
Navygraf FSM Bronze100m
MSRP
Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322$429
Navygraf FSM Bronze$1,350

Full specifications

Case

8 specs
Category
Pilot
Diver
Diameter
40mm
38.5mm
Thickness
12.5mm
11.3mm
Lug-to-Lug
0mm
Lug Width
20mm
19mm
Material
Stainless Steel
Bronze
Finish
Brushed and polished
Caseback
Screw-down
Solid

Crystal & Dial

4 specs
Crystal
Sapphire
Domed Sapphire
AR Coating
Underside
Inner
Dial Color
Bronze
Indices
Applied

Movement

4 specs
Caliber
Seiko NH38
Beat Rate
0 vph
28,800 vph
Power Reserve
0h
40h
Jewels
0
25

Pricing

1 specs
MSRP
$429
$1,350

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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 Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322

Owners widely praise the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 for its gorgeous, color-popping black mother-of-pearl dial and good case finishing, with some appreciating its distinct bead-blasted case and H-link bracelet. The $375 price is noted as a strong value for a true mother-of-pearl watch. However, opinions are divided on the dial text font and the Islander logo, with some finding them unattractive and others seeing them as minor issues on an otherwise appealing tool watch. On balance, owners rate the Islander Thunderbolt Pilot Watch with Black Mother of Pearl Dial #ISL-322 highly for its striking mother-of-pearl dial and value proposition.

Yema Navygraf FSM Bronze

Owners praise the Yema Navygraf FSM Bronze for its wearable 38.5mm bronze case and comfortable, high-quality parachute strap. The in-house YEMA2000 movement is noted as a positive. The watch features a glossy black dial with elongated markers and hands coated in Super-LumiNova, powered by the YEMA2000 calibre with a 42-hour power reserve, regulated to -/+ 10 seconds per day. Overall, owners rate the Yema Navygraf FSM Bronze highly for its comfortable wearability and the quality of its strap and in-house movement.

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