Instinct Time
SEIKJUST 31mm – MOTHER OF PEARL
SEIKJUST 31mm – MOTHER OF PEARL
Leather watch box + tool kit included
1-Year International Warranty
Next-day dispatch from Melbourne
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The SeikJust 31mm Mother of Pearl is a compact powerhouse of elegance and subtle luxury. This custom watch build blends polished silver-tone steel with gold accents, creating a timeless two-tone aesthetic made for refined wrists and minimalist sizing.
At the heart of the design is a shimmering white mother of pearl dial, delivering natural iridescence with every angle. It's framed by a fluted gold bezel and finished with diamond-style hour markers and Swiss-lumed hands, offering clarity, sparkle, and charm in every glance.
Powered by the reliable NH05 automatic movement, this model forgoes a date window for a clean, symmetrical layout while delivering 24-jewel smoothness and long-term performance.
Weighing just 85 grams and measuring 31mm across, this timepiece is perfect for elegant daily wear that doesn’t compromise on quality or character.
Specifications at a Glance:
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Movement: NH05 Automatic – 24 jewels, hacking feature
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Case Diameter: 31mm – perfect for smaller wrists or a refined look
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Case Thickness: 13.5mm – sleek yet substantial
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Case Material: Gold-plated stainless steel (two-tone design)
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Crystal: Sapphire crystal – durable and scratch-resistant
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Water Resistance: 3 ATM (30 meters) – everyday splash protection
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Weight: 85 grams – lightweight and comfortable
Why You’ll Love It:
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Two-tone gold and silver styling that complements any outfit
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Diamond-style markers and Mother of Pearl dial
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Premium materials and refined proportions in a compact package
A Closer Look – Precision Meets Durability
The seikojust 31mm – mother of pearl is a small but striking timepiece that blends understated elegance with everyday luxury. with its polished silver and gold two-tone finish and radiant mother of pearl dial, this custom build is designed for those who appreciate refined style in a compact size.
Premium Materials, Everyday Function
Housed inside is the Japanese NH38 automatic movement, known for its dependability and smooth operation. No battery needed. Just wear it, wind it, and go. Complete with sapphire crystal, 3ATM water resistance, and a lightweight fit, this watch is built for comfort and built to last.
Classic Fluted Bezel & Diamond Markers
Finished with a fluted bezel and diamond-style indices, the dial balances sparkle with readability. Paired with a Jubilee-style bracelet and Swiss-lumed hands, it offers both refined details and night-time visibility. Compact in size, big on presence.
Assembled in Melbourne, Backed by Local Support
Hand-assembled in our Melbourne workshop, each watch is shipped promptly from our local warehouse, ensuring you receive your timepiece within a few business days. Experience the assurance of dealing with an Australian-owned business committed to exceptional customer service.
NEED HELP?
FREQUENTLY ASKED QUESTIONS
What is a Seiko Mod?
A Seiko Mod is a custom-built watch crafted using Seiko's renowned automatic movements, combined with premium aftermarket components. These include durable stainless steel, scratch-resistant sapphire crystal, and even 18k gold-plated steel for added luxury.
The beauty of a Seiko Mod lies in its uniqueness. With an extensive range of aftermarket parts, we can create a one of a kind timepiece tailored to your personal style and preferences.
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.
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.
