Proxima PX1707 Vintage Chronograph Watch – Swiss Ronda 3540 Meca-Quartz

Proxima PX1707 Vintage Chronograph Watch – Swiss Ronda 3540 Meca-Quartz | Cushion Case | Enamel Dial | 100M

The cushion case chronograph is the watch that defined a decade of motorsport timing. In the 1970s, the combination of a rounded-square case, a tachymetre bezel, bold subdials, and a strap with racing perforations was the standard look for the watches worn at circuits and podiums. The Proxima PX1707 brings that vocabulary into a modern production with materials the originals could not offer: a Swiss Ronda 3540 meca-quartz chronograph movement, a sapphire crystal with anti-reflective coating, BGW9 blue Super-LumiNova on all hands and markers, a screw-down crown and caseback for 100M water resistance, and a choice of two bold enamel dial colours — Proxima Red and Unicorn Blue — each with the kind of saturated, jewel-toned surface that makes vintage-inspired dials genuinely compelling. At 39mm in a cushion case the PX1707 wears with the proportional presence of a larger round watch without the bulk.

Browse the full Proxima watches collection at JwlrAddicts for all available models.

The Swiss Ronda 3540 — Meca-Quartz Explained

The Ronda 3540 is the movement that separates a genuine collector-grade quartz chronograph from a commodity stopwatch. Manufactured in Switzerland, it is a meca-quartz movement — a hybrid architecture where a quartz oscillator provides the timekeeping precision but the chronograph function is operated by a genuine mechanical column-wheel mechanism. The practical result: the chronograph seconds hand sweeps smoothly from zero rather than jumping in ticks, the pushers have a satisfying mechanical click and resistance rather than the soft press of a purely quartz chronograph, and the seconds hand snaps back to zero on reset with mechanical precision. Five jewels. Swiss-made parts. This is the chronograph movement found in watches at two to three times the PX1707’s price point, and its presence here is the single most significant specification decision Proxima has made with this model.

Key Features

• Swiss Ronda 3540 meca-quartz chronograph movement — 5 jewels, smooth sweeping seconds, column-wheel mechanism
• Sapphire crystal with anti-reflective coating — scratch-resistant, minimises glare and reflections
• BGW9 blue Super-LumiNova — hands and all hour markers for full low-light readability
• Cushion-shaped 316L stainless steel case — brushed and polished finish, 39mm diameter
• Tachymetre scale bezel — engraved for speed calculation
• Three-subdial chronograph layout — 30-minute counter, running seconds, hours; date near 3 o’clock
• Enamel-style coloured dial — available in Proxima Red and Unicorn Blue
• Screw-down crown and screwback caseback — 100M water resistance
• Black lychee-textured leather strap — vintage racing aesthetic, 20mm width
• 100M / 10 BAR water resistance — active daily wear
• 2-year warranty included

Specifications

The Two Dial Personalities — Red and Blue

Proxima Red Enamel — the more historically referenced option. Red dials have appeared on some of the most coveted vintage chronographs in the collector market, where the combination of a warm red field against white and black subdials creates the exact retro character associated with 1970s racing culture. The PX1707’s red uses a sunburst-inflected enamel-style finish that gives the surface depth and warmth in direct light. Contrasting white and black subdials ensure chronograph readability is maintained against the red background. This is the dial for buyers who want the watch to be immediately and deliberately noticed.

Unicorn Blue Enamel — the more contemporary and expressive option. The turquoise-blue enamel tone is vivid, saturated, and immediately distinctive — a colour that occupies the same design space as modern collectible blue dials but with a brighter, more playful character than the navy or midnight blues common in the market. High-contrast subdials maintain legibility. This is the dial for buyers who want the cushion case chronograph format with a colour statement that reads as modern rather than vintage-referential.

The Cushion Case — Proportions and Presence

At 39mm in a cushion case with 44mm lug-to-lug, the PX1707 sits at exactly the wearable sweet spot for a vintage-inspired chronograph. The rounded square geometry distributes its visual mass differently from a round case — the four curved corners and wider-than-tall case shape creates the impression of a larger watch than the stated diameter suggests, while the 11.6mm thickness remains manageable for daily wear. The brushed case flanks and polished top surfaces create the mixed-finish contrast that vintage chronograph cases are known for, and the well-machined pusher and crown detailing confirms that the case finishing extends beyond the dial to every surface you touch.

BGW9 Blue Lume on a Chronograph

The BGW9 Super-LumiNova on the PX1707 emits blue light in darkness — visible in the lume shots as even, full-coverage blue across all hands and hour markers. For a chronograph worn in variable light conditions — a racing event, evening wear, travel — full BGW9 coverage ensures the time remains readable without requiring the dial to be positioned under a light source. The combination of BGW9 on a red or blue enamel dial creates a distinctive nighttime aesthetic where the blue lume glow contrasts against the coloured dial surface, providing both practical readability and a visual character that continues after dark.

How the PX1707 Fits the JwlrAddicts Catalog

The PX1707 is the most motorsport-oriented and colour-expressive chronograph in the JwlrAddicts catalog. For buyers who want a mechanical hand-wound chronograph with a Seagull column-wheel movement, the Phylida ST19 Reverse Panda Chronograph is the closest alternative in mechanical character. For Corgeut’s quartz chronograph option in a round case, the Corgeut VK63 40mm Chronograph also uses a meca-quartz movement. For dress watch automatic options from Proxima, the full Proxima watches collection covers other models in the range.

Frequently Asked Questions

What is a meca-quartz movement? A meca-quartz movement combines a quartz oscillator for timekeeping accuracy with a mechanical column-wheel mechanism for the chronograph function. The result is a sweeping seconds hand, mechanical pusher feel, and snap-back zero reset — the qualities that make mechanical chronographs desirable — with quartz-level daily accuracy and without the servicing requirements of a fully mechanical movement.

What is the Ronda 3540? The Ronda 3540 is a Swiss-manufactured meca-quartz chronograph caliber with 5 jewels. It is one of the most respected meca-quartz movements in the market, chosen by watch brands at significantly higher price points for its column-wheel mechanism and smooth seconds sweep.

How do I set and use the chronograph? The crown has two positions — normal time-setting and chronograph zeroing. The pushers at 2 o’clock and 4 o’clock start/stop and reset the chronograph. The instruction included in the package covers chronograph zero-position adjustment and crown position settings in detail.

Is the crystal AR coated? Yes — the sapphire crystal has an anti-reflective coating that minimises glare and surface reflections, improving dial legibility in bright outdoor and indoor light.

Is it waterproof for swimming? At 100M / 10 BAR with screw-down crown and caseback it is rated for swimming. Note that chronograph pushers should not be operated underwater.

Can I change the strap? Yes — the 20mm lug width is standard and accepts any 20mm leather, NATO, rubber, or steel aftermarket strap.

Model : PX1707
Movement :  Swiss Ronda 3540 Chrono Date Meca-Quartz Movements
Case Material : 316L Stainless Steel
39mm in diameter (excluding crown )
Lug to Lug 44 mm
Thickness 11.6 mm
Band width 20mm

Glass: Sapphire Crystal , AR Coating
Dial Color: Enamel Red and Green Chronograph Dial
Luminous: Retro BGW9 Blue Light, Hands and Markers

Crown: Push Pull Crown / Screw Down Crown
Case Back: Screw-down Case Back, Brushed &Polished Process
Strap: Black Lychee Leather Band,band length 7.48 inch
Water Resistant: 10 Bar=100 Meters
Weight: 85/piece
Warranty: 2 Year

Unicorn logo Enamel Green

HD photo for details

Original Swiss Quartz Movement :Ronda 3540 Chrono Date Meca-Quartz

Soft Black Lychee Leather Band,hole design ,band length 7.48 inch

Proxima Standard Package