Midnight Mast
$4753,006
42 mm300 m WRSapphire
The Sensei's take
The Spinnaker Midnight Mast is a solid choice for the diver who values aesthetics as much as functionality, boasting an impressive 300m water resistance and a design that exudes nautical flair. At $475, it offers excellent value for those looking for a distinctive watch that can handle serious underwater adventures without sacrificing style. If you're in the market for a robust dive watch that stands out, the Midnight Mast is worth a closer look.
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350 Pieces Only Spinnaker and Popeye unite once again to chart new waters. Famed for its bold silhouette and super-domed sapphire crystal, the Challenger now takes on the spirit of Popeye in the Anchor Arms Limited Edition. With a wave-patterned textured dial, Swiss luminous detailing, and 30 ATM water resistance, it’s a collectable built for every sailor with strength and style to spare.
6.5
SolidSensei Score — Solid
A dependable choice; know the trade-offs going in.
Independent rating. Purchase links may be affiliate.
At a glance
Strengths & trade-offs
Pulled straight from the spec sheet, framed for the buyer. The editorial verdict is the Sensei's take above.
Strengths
- Serious water resistance (300m)
- Scratch-resistant sapphire crystal
- Luminous dial and hands
Trade-offs
- Tall 19mm case
- Priced above what the spec suggests
- Currently sold out
Sensei Says
The specs, in plain English
On the wrist
At 42 mm it has present, sporty proportions, a long 49.5 mm lug-to-lug favours larger wrists.
The value
Fairly priced for what it is.
On the wrist
How will this watch fit me?
Enter your wrist size once — we'll remember it — and the Sensei estimates the fit from the case measurements.
Wrist circumference
Preferred fit
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Specifications
- Reference
- SP-5163-03
- Released
- 2025
- Production
- Limited edition
- Case diameter
- 42 mm
- Lug-to-lug
- 49.5 mm
- Thickness
- 19 mm
- Lug width
- 20 mm
- Case shape
- Round
- Case material
- stainless steel
- Water resistance
- 300 m
- Crystal
- Sapphire · anti-reflective
- Bezel
- None
- Caseback
- Engraved
- Dial colour
- black
- Dial finish
- Wave-Textured
- Indices
- applied index
- Lume
- Yes — Swiss Newlite
- Strap / bracelet
- rubber
- Clasp
- buckle
- Functions
- Hours, Minutes, Seconds, Date
- Fit
- Unisex
The maker
Spinnaker Watches
Spinnaker Watches draws inspiration from historical diving aesthetics and the allure of the ocean. They are committed to producing well-crafted, durable timepieces that tell stories of exploration and adventure while promoting conservation through various initiatives.
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