✅ 速報‼️50万円の新型マリンマスター300登場‼️8L45搭載で3日間駆動へ‼️新型MM300 HBF001J HBF002J
✅SEIKO Special Site → HBF001J | Seiko Watch ✅SEIKO Playlist → • ✅SEIKO一覧 ✅Citizen Playlist → • ✅シチズンCitizen一覧 🎖️Membership here → / @sj36000 ✅List of Unboxing Reviews → • ✅開封レビュ一覧‼️UnboxReview ✅The Road to Becoming a Handsome Older Man) Rohto Pharmaceutical Melano CC Rakuten Market → https://a.r10.to/hPLlax Amazon → https://amzn.to/4gvnWp9 ✅Washable Clock Rakuten Market → https://a.r10.to/hNow9z Amazon → https://amzn.to/3E0iugt ✅Follow us on Instagram too!! ️→ samuraijapan36000 https://www.instagram.com/p/CpjYTKGBp... ✅🎥🎞 Inquiries about work or applications About Collaboration Work→ [email protected] ✅ Channel creator's hobbies, etc. Travel, movies, camping, beaches, snow-covered mountains, cars, kendo, soccer, watches. Finally, Seiko's top-of-the-line diver's watch, the 'Marinemaster,' has undergone a dramatic evolution! This time, we'll give you a quick report on the latest model, HBF001J, which was just announced today, March 18, 2026. For first-timers, we'll highlight its overwhelming practicality, and for experts, we'll showcase the appeal of its evolved inner workings. The current Marinemaster series has a wide variety of models, with regular price ranges from 200,000 yen to 500,000 yen. Historical Background: The original was a diver's watch released in 1968, the first in Japan to be designed for 300m saturation diving, equipped with a then-world-leading 10-beat high-frequency movement. Furthermore, ✅Basic Specifications and Price: Model Number: HBF001J Suggested Retail Price: ¥506,000 (tax included) Release Date: July 10, 2026 Case Size: Outer Diameter 42.6mm / Thickness 14.1mm Case Material: Stainless Steel (DiaShield coating) Crystal: Dual-curved sapphire glass (anti-reflective coating on the inner surface) Bezel: Ceramic display Water Resistance: 300m water resistance for air diving ✅Three Key Points ① Equipped with the long-awaited "Cal.8L45" movement The biggest topic is the inclusion of the latest Cal.8L45, Seiko's proud high-end movement, the "8L series." Power Reserve: Approximately 72 hours (3 days) High Accuracy: Daily deviation +10 seconds to -5 seconds. Frequency: 28,800 vibrations/hour (8 vibrations/second) This is a mechanical masterpiece that inherits the design philosophy of Grand Seiko, assembled at the Shizukuishi Luxury Watch Studio. Caliber No. 8L45 Movement Mechanical Automatic (with manual winding) Accuracy Daily variation: -5 seconds to +10 seconds (15-second range) For reference, chronometer-certified watches have an accuracy of -4 seconds to +6 seconds (10-second range), so please compare and consider this. Power Reserve: 72 hours Jewels: 35 jewels Vibration Frequency: 28,800 vibrations/hour Second hand stop function Calendar (Date) 🍀Size: Thickness: 14.1mm Width: 42.6mm Height: 49.3mm 🍀For reference, sbej011 has: Thickness: 14.1mm Width: 42.6mm Height: 49.3mm Dual-curved sapphire crystal Glass coating Anti-reflective coating on the inner surface LumiBrite One-push diver adjuster clasp Water Resistance: 300m water resistant for air diving Magnetic Resistance: Yes, type 1; must be kept at least 5cm away from magnetic magnets. Other Features: Unidirectional rotating bezel Screw-down crown Screw-back case ② Ceramic bezel and "deep black" texture Durability and beauty: The bezel uses "ceramics," which is scratch-resistant and maintains a glossy texture. Ultimate Visibility: The dial features a matte finish and a deeper black paint than ever before, reducing light reflection. This significantly improves visibility as a professional tool. ③ Long-awaited by users! "Tool-less Adjuster" Tool-free fine adjustment: A newly developed system has been adopted for the bracelet clasp. SEIKO's micro-adjustment is constantly being updated with new models, and it allows for length adjustment of up to 16mm using only your fingertips, without the need for tools. This allows for instant adjustment even in the summer when wrists tend to swell, or when wearing it over a wetsuit. 4. Summary For First-Time Buyers: "While the 500,000 yen price tag isn't cheap, I feel that SEIKO has packed this watch with features that will make it a lifelong investment you won't regret. With scratch-resistant DiaShield coating and the latest 3-day power reserve, it's a superb, practical watch that you can wear every day without worry." For Experts: "The Marine Master has finally been updated from the 8L35 to the 8L45. The tool-less fine-tuning function, in particular, might be considered the final piece missing from previous Seiko divers' watches. A limited edition collaboration model with JAMSTEC (HBF002J) was also announced, but the 'classic feel' of this regular model makes ...
![[SEIKO] New Marine Master 1968 model announced](https://i.ytimg.com/vi/2m3JjqaOlj4/hqdefault.jpg?sqp=-oaymwEnCNACELwBSFryq4qpAxkIARUAAAAAGAElAADIQj0AgKJDeAG4AvMY&rs=AOn4CLA-5RJki8ao-Y5WvMX9P3-KIJmIXQ&usqp=CCY)
[SEIKO] New Marine Master 1968 model announced
![[New for 2026] Seiko Prospex Marinemaster – HBF001 (MM300), SLA079 Owner's Thoughts and Perspective](https://i.ytimg.com/vi/10FU2JQc5Ak/hqdefault.jpg?sqp=-oaymwEnCNACELwBSFryq4qpAxkIARUAAAAAGAElAADIQj0AgKJDeAG4AvMY&rs=AOn4CLDbxn2LPvvCUluOIY8qYzeaaKYcrw&usqp=CCY)
[New for 2026] Seiko Prospex Marinemaster – HBF001 (MM300), SLA079 Owner's Thoughts and Perspective

5 Japanese Watches You Should Buy Before Prices Rise in 2026

They Laughed at Mona Kimura… Until the Brutal KOs Started

The Watches Of A Professional Diver (Seiko, Citizen, Zodiac, Doxa, & MORE)

Ich fliege nach Deutschland und die Polizei wartet

Why Solar Watches Are Killing Automatic Watches

Unbelievable Workers | Working with Talented Engineers #46 #fail #adamrose #smartworkers

The Chinese Watches Swiss Brands Don't Want You to Know!

There’s No Reason to Buy a Seiko in 2026… Here’s Why

【SEIKO】What's changed in the new Marine Master HBF001J!? ...I went and checked it out.

Top 14 Seiko Watches Price List (2026)

Seiko Samurai HBB001: The FIRST Real Review From Master Watchmakers

Are Swiss Watches a Scam? These 10 Japanese Watches Say Yes

New Prospex Marinemaster 300 HBF001 - A MM300 SLA079 Owner’s Thoughts and Opinions.

The 7 Levels of Watch Movements (And Why Most Collectors Get It Wrong)

【SEIKO】次世代のマリンマスター300を考察

The 7 Levels Of Japanese Watches

Seiko Marinemaster SLA079 – Is This Really a Marinemaster?

