OUPINKE 3249 Tide Infinity Skeleton Automatic Watch – Perpetual Calendar, Sapphire, Tungsten

OUPINKE 3249 Tide Infinity Skeleton Automatic Watch – Perpetual Calendar, Sapphire, Tungsten

The OUPINKE 3249 Tide Infinity is OUPINKE’s most complicated model — a 42mm multi-level skeleton automatic watch with a full perpetual calendar displaying week, date, month, and year simultaneously. Proprietary automatic movement, 21 jewels, 45-hour power reserve. Synthetic sapphire crystal. Tungsten and stainless steel diamond-cut bracelet with butterfly clasp. Swiss luminous. 13.5mm thick (without crystal), 194g, 50M water resistance. 6 variants across black and silver cases with blue, green, or orange accent colours.

Key Specifications

Perpetual Calendar — Full Annual Display

The 3249 is the only watch in the OUPINKE range with a full annual perpetual calendar — displaying week, date, month, and year as four simultaneous independent functions. This places it in a distinct category from the day-date complication on the 3171, 3200, and 3179, which show only day and date.

The calendar functions are operated via two crowns on the right side and two concealed push-buttons on the left side of the case:

• Crown position 1 (right): month adjustment
• Crown position 2 (right): time setting / manual winding
• Crown position 3 (right): date adjustment
• Left concealed button 1: year adjustment
• Left concealed button 2: week adjustment

The year and month display uses a roller/drum window format at the upper dial — visible in the product images showing “2023 APR” and “2024 MAY” in the two display windows.

Multi-Level Skeleton Dial

The dial architecture uses three distinct visual planes — an outer chapter ring with day-of-week indicators, a middle layer with the gear train and calendar sub-registers, and a lower plane exposing the balance wheel and mainplate through an open honeycomb-textured baseplate. The balance wheel is visible at the 6 o’clock position through a circular open window. Blue screws and accent components are visible across the movement, matching the accent colour of the variant selected.

The dial is not a conventional single-plane face — the layered construction creates depth and perspective that reads differently under different lighting conditions. Hour and minute hands are sword-style with Swiss luminous filling. The twelve-hour track and date ring run around the inner chapter.

Open Flywheel — Not a Tourbillon

The visible spinning element at 6 o’clock is an open flywheel display — the balance wheel of the automatic movement, visible through the open dial architecture. This is not a tourbillon. A tourbillon is a specific complication that mounts the escapement in a rotating cage to counteract gravitational timekeeping errors; it requires significantly more manufacturing complexity and cost. The 3249’s balance wheel window provides the visual effect of a spinning mechanical element without the tourbillon mechanism. This is an accurate and honest description — the watch is sold as a skeleton automatic, not as a tourbillon.

Movement

The 3249 runs a proprietary OUPINKE-branded automatic movement — 21 jewels, self-winding bidirectional rotor, manual winding capability via the crown. Power reserve is approximately 45 hours from full wind. For initial winding from a fully run-down state, rotate the crown approximately 40 times clockwise before wearing. OUPINKE movements are of Chinese manufacture despite the brand’s Swiss-inspired positioning — the movement is reliable for daily wear but is not a named Swiss or Japanese caliber.

Synthetic Sapphire Crystal

Mohs 9 synthetic sapphire with anti-fingerprint and anti-scratch coatings. The domed crystal profile sits above the bezel frame. Scratch-resistant under normal daily wear including contact with steel, glass, and most abrasive surfaces.

Swiss Luminous

Swiss luminous powder on hands and hour indices — green emission in darkness, charged by ambient and UV light. The lume image in the product photos shows the full dial layout illuminated, with the hour ring and hands clearly readable. The gear train and calendar elements are not lumed — legibility in darkness relies on hand and hour marker position.

50M Water Resistance

Rated 50M / 5ATM via sealed gasket construction. Suitable for splash exposure, rain, handwashing, cold bathing, and swimming. Not suitable for warm or hot water, steam, snorkelling, or diving. Do not operate any crown or push-button while submerged.

Variants

Black case / blue accents — PVD black case and bracelet, blue crown rings, blue accent screws, blue highlights on movement bridges. The most visually striking dark variant.

Black case / green accents — PVD black with green accent elements. Less common colour story.

Black case / orange accents — PVD black with orange accents. Highest contrast against the dark base.

Silver case / blue accents — brushed stainless case with blue accents. More legible movement detail than the black variants.

Silver case / green accents — stainless with green accent elements.

Silver case / orange accents — stainless with orange accents. The most legible daylight combination.

All variants share identical specifications — the accent colour affects the crown rings, case screws, movement highlights, and bracelet detail elements.

How the 3249 Compares to Other OUPINKE Models

The 3249 is OUPINKE’s flagship complication model — the only watch in the range with a full annual perpetual calendar. It is heavier (194g), larger (42mm), and more complex than any other OUPINKE in this range. For a skeleton watch without the perpetual calendar, see the OUPINKE 3179 Infinite Series — tonneau case, 39×46mm, silicone strap, lighter at 111g. For the round dress watches with NH36A day-date, see the OUPINKE 3171 and OUPINKE 3200. Browse the full OUPINKE watches collection.

FAQ

Does this watch have a tourbillon? No. The spinning element visible at 6 o’clock is the balance wheel of the automatic movement, visible through an open flywheel window in the skeleton dial. A tourbillon is a distinct and significantly more complex complication not present in the 3249. The watch is an automatic skeleton with a perpetual calendar — a substantial complication in its own right.

What calendar functions does the 3249 display? Four functions simultaneously: week (day of week), date (day of month), month, and year. This is a full annual perpetual calendar — more comprehensive than the day-date complication found on the 3171 and 3200.

How do I set the calendar? Two crowns on the right side adjust month, time/winding, and date. Two concealed push-buttons on the left side adjust year and week. Pull the relevant crown to the appropriate position for each function — see the product images for the labelled side diagram.

What movement does the 3249 use? A proprietary OUPINKE-branded automatic movement with 21 jewels and approximately 45 hours of power reserve. Self-winding via wrist movement; manual winding via the crown. For initial winding from fully run-down, rotate the crown approximately 40 times clockwise.

Is the crystal sapphire? Synthetic sapphire — Mohs 9 hardness with anti-fingerprint and anti-scratch coatings.

How heavy is the 3249? 194g including the tungsten and stainless steel bracelet — the heaviest watch in the OUPINKE range. The combination of the larger 42mm case and tungsten bracelet produces a very substantial wrist presence.

Is it waterproof for swimming? Yes — 50M / 5ATM, suitable for cold bathing and swimming. Not suitable for warm water, steam, snorkelling, or diving. Do not operate crowns or push-buttons while submerged.