Custom Seikosub Edition Yacht Master Black Ceramic MOD
$320143
40 mmAutomatic100 m WRSapphire
The Sensei's take
The Custom Seikosub Yacht Master Black Ceramic MOD is an accessible tribute to iconic diving watches, perfect for those who appreciate craftsmanship without the hefty price tag. Its bold design stands out in both urban and aquatic environments, while the reliable NH35 movement ensures you won’t miss a beat. This timepiece offers great value, blending style and functionality seamlessly.
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Confident, modern, and meticulously crafted, the Yacht-Master Black Ceramic Edition embodies strength and sophistication. Its brushed 316L stainless steel case paired with a matte black ceramic bezel and matching dial creates a sleek, understated presence. Luminous markers and Mercedes-style hands enhance clarity, while the black rubber strap adds comfort and a dynamic, sporty edge—equally at home in urban settings or open waters. Powered by the trusted NH35 automatic movement, it ensures precision and smooth reliability. The sapphire crystal with anti-reflective coating protects the dial, complemented by a screw-down crown and solid water resistance for everyday endurance. Hand-assembled with care, the Black Ceramic Edition stands as a bold reflection of craftsmanship, individuality, and…
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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
- Priced below what the spec suggests
- Everyday water resistance (100m)
- Scratch-resistant sapphire crystal
- Versatile 40mm case
- Luminous dial and hands
Trade-offs
- Entry-level movement
- Tall 14mm case
Sensei Says
The specs, in plain English
The movement
NH35. An entry-tier movement (think Seiko NH-series): rugged, serviceable anywhere, and easy to live with. Not decorated, but it just works.
On the wrist
At 40 mm it lands in the modern sweet spot, a 48 mm lug-to-lug suits most 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
Enter your wrist size to see the fit estimate.
Specifications
- Released
- 2025
- Production
- Current production
- Movement
- Automatic
- Calibre
- NH35
- Movement tier
- Entry
- Power reserve
- 41 h
- Case diameter
- 40 mm
- Lug-to-lug
- 48 mm
- Thickness
- 14 mm
- Lug width
- 20 mm
- Case shape
- Round
- Case material
- Stainless Steel, Ceramic
- Water resistance
- 100 m
- Crystal
- Sapphire · anti-reflective
- Bezel
- Fixed
- Caseback
- Closed
- Dial colour
- black
- Dial finish
- Matte
- Indices
- luminous
- Lume
- Yes — Super-LumiNova
- Strap / bracelet
- rubber
- Clasp
- deployant
- Functions
- Hours, Minutes, Seconds
- Fit
- Unisex
The maker
Monomods
Monomods positions itself against "watch hype" — pushing back on watches that look premium but hide what actually matters: overdesigned dials, inflated stories, and no clarity about what's inside or who stands behind it. Their stated response is transparency: using proven Japanese movements, transparent components, and careful assembly, with real support after purchase
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Cheaper alternative
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