Instinct Time
SEIKMARINER BLACK
SEIKMARINER BLACK
Leather watch box + tool kit included
1-Year International Warranty
Next-day dispatch from Melbourne
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The Seikmariner Black is a clean, confident take on one of the most timeless silhouettes in watch history. Inspired by the legendary Submariner, this custom mod brings precision engineering and bold styling together in one versatile timepiece.
Powered by the dependable Japanese Seiko NH35A automatic movement, it features 24 jewels, a quick-set date, and a hacking function for to-the-second accuracy. The polished stainless steel case pairs seamlessly with a classic black dial and ceramic bezel, offering a sleek, minimalist look that never goes out of style.
Luminous Mercedes-style hands and markers provide clear visibility, while the sapphire crystal and screw-down crown ensure durability for everyday wear.
Specifications at a Glance:
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Movement: NH35A Automatic – 24 jewels, quick-set date, hacking feature
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Case Diameter: 40mm – ideal for daily wear
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Case Thickness: 14.3mm – bold yet balanced
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Case Material: Stainless Steel – polished finish
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Crystal: Sapphire crystal glass – scratch-resistant and clear
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Bezel: Black polished ceramic – one-way rotating
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Water Resistance: 3 ATM (30 meters) – safe from splashes and rain
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Bracelet: Stainless steel with adjustable links
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Lug Width: 20mm – compatible with most strap options
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Weight: 162 grams – comfortable yet substantial
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Features: Screw-down crown, luminous dial, Mercedes-style hands
Built for Precision & Presence
Featuring a polished black ceramic bezel, luminous Mercedes-style hands, and a scratch-resistant sapphire crystal, this timepiece blends classic Submariner styling with rugged performance. It’s more than a watch — it’s your daily companion.
Premium Materials, Everyday Function
The bracelet features removable links and a quick-adjust clasp, giving you a perfect fit straight out of the box. Paired with a screw-down crown, this watch offers enhanced water resistance and everyday reliability.
Assembled in Melbourne, Backed by Local Support
Each Seikomariner Black is individually assembled in Melbourne and shipped locally from our Melbourne warehouse, so you can enjoy your new watch within just a few business days.
With local support, fast dispatch, and real people behind every order, you’ll have peace of mind knowing you’re dealing with an Australian-owned business that takes pride in quality craftsmanship and outstanding customer service.
NEED HELP?
FREQUENTLY ASKED QUESTIONS
Are Instinct Time watches waterproof?
Yes our watches are built to a 30-meter water-resistance standard, meaning they can easily handle everyday splashes, rain, and hand-washing.
If you’d like to take your watch swimming or need extended water protection, we offer an optional waterproofing upgrade service to enhance durability under water exposure.
What’s the difference between the dial options?
Collector Dial (Logo Style) – Features a dial sourced from genuine Seiko-made components, retaining its original logo for those who prefer a heritage inspired look.
Classic Dial (Clean) – A minimalist unbranded dial offering a refined, custom aesthetic.
Instinct Time is not affiliated with or endorsed by Seiko Watch Corporation.
Shipping Time?
At Instinct Time, all of our watches are shipped directly from Melbourne, Australia. We prioritize quick processing and aim to dispatch your order within 1 business day.
We partner with Australia Post to ensure reliable delivery, and every order includes a tracking number for your peace of mind. You can typically expect your watch to arrive within 2–5 business days, depending on your location. Unlike other mod builders who may take weeks to process and ship, we pride ourselves on offering a faster and more efficient service.
Can I adjust the strap size myself?
Absolutely! All of our watches include a link removal tool kit, allowing you to easily adjust the strap for a comfortable and perfect fit.
12-Month Warranty
All of our watches come with a 12-month international warranty, ensuring peace of mind with your purchase. Each watch includes a warranty card provided at the time of purchase. In the rare event of an issue, please don’t hesitate to reach out to our team for any warranty inquiries or assistance.
