Side by side

Fortis Marinemaster M-40vsIslander Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26

Q: Which is cheaper, the Fortis Marinemaster M-40 or the Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26?

At MSRP the Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26 is the cheaper of the two at $420, against $3,520 for the Fortis Marinemaster M-40 — a $3,100 gap before any retailer discounting.

Q: Which is bigger, the Fortis Marinemaster M-40 or the Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26?

The Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26 wears larger at 42mm versus 40mm for the Fortis Marinemaster M-40 — a 2mm difference across the dial.

Q: Which has better water resistance, the Fortis Marinemaster M-40 or the Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26?

The Fortis Marinemaster M-40 is rated to 300m versus 200m for the Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26.

Q: What movement does the Fortis Marinemaster M-40 run compared to the Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26?

Both watches run automatic movements — the Fortis Marinemaster M-40 uses the Sellita SW220-1 and the Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26 uses the Seiko NH36.

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

Fortis Marinemaster M-40

M-40

MSRP $3,520

Islander Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26

islander-luminous-dial-automatic-dive-watch-with-ar-double-dome-sapphire-crystal

MSRP $420

At a glance

16 of 29 specs differ

Diameter

Marinemaster M-4040mm

Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-2642mm

Power Reserve

Marinemaster M-4038h

Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26—

Water Resistance

Marinemaster M-40300m

Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26200m

MSRP

Marinemaster M-40$3,520

Islander Luminous Dial Automatic Dive Watch with AR Double-Dome Sapphire Crystal, and Luminous Ceramic Bezel Insert #ISL-26$420

Full specifications

Case

7 specs

Diameter

40mm

42mm

Thickness

13mm

14mm

Lug-to-Lug

—

48mm

Lug Width

21mm

22mm

Finish

Brushed and polished

—

Water Resistance

300m

200m

Caseback

Solid

Engraved screw-in back

Crystal & Dial

4 specs

Crystal Shape

Flat

Double Domed

AR Coating

Inner

Yes

Dial Color

Orange

—

Indices

Applied

—

Movement

4 specs

Caliber

Sellita SW220-1

Seiko NH36

Beat Rate

28,800 vph

0 vph

Power Reserve

38h

Jewels

Pricing

1 specs

MSRP

$3,520

$420

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