Custom Seikonaut Edition Midnight Silver MOD
$290416
41 mmAutomatic30 m WRSapphire
The Sensei's take
The Monomods Custom Seikonaut Edition Midnight Silver MOD brings a sporty yet luxurious vibe to your collection. Its solid build and elegant design make it a versatile piece for both casual and formal occasions. At this price point, it offers an impressive quality-to-value ratio, especially for fans of Seiko mods.
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The Seiko Mod Aquanaut Midnight Black Edition embodies contemporary sport-luxury with refined precision. Its bold black textured dial and luminous numerals ensure flawless readability in any light, while the brushed 316L stainless steel case and durable black rubber strap strike the perfect balance between strength and sophistication. Measuring 41mm, it commands attention with effortless comfort—equally suited for active pursuits or elegant occasions. Powered by the trusted Seiko NH35 automatic movement, it delivers precision, reliability, and enduring performance rooted in Japanese craftsmanship. A sapphire crystal with anti-reflective coating, screw-down crown, and exhibition case back showcase its premium build. With luminous detailing, 3ATM water resistance, and a secure butterfly clas…
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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
- Scratch-resistant sapphire crystal
- Luminous dial and hands
Trade-offs
- Entry-level movement
- Limited water resistance (30m)
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 41 mm it has present, sporty proportions.
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
- Released
- 2025
- Production
- Current production
- Movement
- Automatic
- Calibre
- NH35
- Movement tier
- Entry
- Power reserve
- 41 h
- Case diameter
- 41 mm
- Thickness
- 12 mm
- Lug width
- 20 mm
- Case shape
- Round
- Case material
- Stainless Steel
- Water resistance
- 30 m
- Crystal
- Sapphire · anti-reflective
- Bezel
- None
- Caseback
- Exhibition
- Dial colour
- black
- Dial finish
- Textured
- Indices
- luminous
- Lume
- Yes — luminova
- Strap / bracelet
- rubber
- Clasp
- butterfly
- 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
Alternatives worth a look
Smaller alternative
5.0mm smaller
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