Seiko Prospex SPB511J1 “62Mas” 660 Diver’s Birthday Limited Edition: Increase to Slide Adjuster to

Celebrating 60 Years of Seiko Diver’s Anniversary

In 2025 became an important milestone for Seiko because it marked 60 years Diver watch First, which was marked by the release of Seiko 62mas in 1965. Overview of Seiko 62mas (1965), Seiko Ref. 6217-8000 or often referred to as 62Mas launched in 1965 as Diver watch First Seiko. The watch uses caliber movements 6217 and the word “mas” refer to “automatic selfdater”. As a pioneer Diver watch In Japan, Seiko celebrates this moment through a limited edition launch that raises the spirit and design of the early era.

Seiko actually released 3 watches at the 60th celebration of this year. Besides releasing SPB511J1 (1965 Heritage Diver), Seiko also released SPB509J1 with base The “Baby Marinemaster GMT” model and the latest Marinemaster model, the Seiko Prospex Marinemaster 600 SLA081J1. This celebration is not just nostalgia, but a reminder of Seiko’s dedication to innovation and exploration under the sea, which has brought brand This is one of the main references in the world of horology.

Dimensions and specifications

Seiko SPB511J1 is planned Kasing stainless steel coated super loud layer, own Diameter of 40 mm, thickness of 13 mm, as well Lug to Lug 46.4 mm. The dimensions are ideal for small to large wrists. Although dimension compactThis watch is equipped with water resistance up to 300 meters, making it safe to use scuba diving. This is double the watch diver First Seiko, showing how far Seiko’s innovation was in making a watch diver.

This watch has Bezel in the same direction with inserts Anodized aluminum gray. Texture Matte on the insert Provides a slightly unique metallic look. Marker on insert Carved and given white, so it is not easy to fade. Fuck the crown Located in 3 o’clock on the side case. Congested Kasing again mounted by method messing and in-labeled with the text “Limited Edition” as well Limited edition number.

New class with slide adjuster

Seiko SPB511J1 has Three Link Bracelets made solid. This watch also introduces buckle the latest Seiko is equipped Slide adjuster. This is increase from the model new 62Mas 300 meters diver extensionIt still uses a hook mechanism. In this latest version, watch users do not need to take off the watch first to lengthen bucklebecause it only needs to press two pieces Pusher on the side buckle Then just slide.

In addition, this mechanism also increases flexibility in determining the length Adjuster because it has range 15 mm which is divided into 6 points. Buckle This still has Double press button to open buckle And security lever For extra security, but with a new design that is more solid. Fourth Pusher on buckle made flat with buckle thus minimizing the potential for accidentally depressed. Buckle This is an upgrade that we hope can be applied to the majority of Seiko watches Diver middle range.

Dial silver with the wave pattern

One of the main attractions of SPB511J1 is Dial Bright silver with fine waves that reflect light dynamically. This pattern is not just an ornament, but a visual representation of Seiko’s close relationship with the marine world. Under light, this motif appears to move, displaying depth illusion and water dynamics. Under marker At 12 there was a Seiko logo, while above marker At 6 there was a prospex logo, the text “Automatic 3 Days” and “Diver’s 300M”.

All marker Made in style stickexcept on marker 12 stylish Double stick To help find out the orientation of the watch in the dark. Date window This watch is located at 4.30, so it does not cut marker clock and produce that display clean and symmetrical. Marker Clock and minutes are made in shape stick And the width is different to further distinguish the two in dark conditions. Seconds are given a box plane at the end. All marker And hand given a lumibrite that can light green in the dark for optimal readability. Dial covered by single dome sapphire crystal which has been coated with a single anti-reflective layer on the inside.

In-house movement with a 3-day power reserve

Behind Caseback Solid SPB511J1, Seiko pinned In-house caliber movements 6R55 which is a refinement of the previous generation. This machine beats at 21,600 VPH, has 24 jewels, and supports features manual winding as well as second hacking. The most prominent is Power reserve 72 hours or 3 full days, a significant increase that gives more flexibility to users. Movement It has an accuracy of +25/-15 seconds per day.

Seiko Prospex SPB511J1 is a harmonious combination of design inheritance and contemporary design. With Dial Silver with charming waves, ideal dimensions, movement At home 3 days long, and buckle with shear extension new, this watch is not only a nostalgic collection, but also Watch tool Modern reliable is used as a daily watch. Released in limited quantities of 6,000 units worldwide, SPB511J1 is a special offering from Seiko who is worthy of collected. Seiko Prospex SPB511J1 This limited edition is available at Jamtangan.comCheck in mind!