Carnival 8638 Quartz Watch — 40mm, Stainless Steel, Complete Calendar

Carnival 8638 Quartz Watch — 40mm, Stainless Steel, Complete Calendar

The Carnival 8638 is a 40mm quartz dress-sport watch in a stainless steel case and bracelet — the entry-level quartz option in the Carnival range. At 10mm total thickness and with a complete calendar display, luminous hands and 30m water resistance, it is a straightforward daily wear watch with no complications beyond the calendar function and no battery-free premium.

Available in six configurations: silver/blue, silver/black/blue, silver/black, silver/white, silver/black (standard), and full black. All on stainless steel bracelet with push-button hidden butterfly clasp.

Key Specifications

Variants — Six Configurations

Silver/Blue: Silver-tone case and bracelet with a blue dial. The most widely appealing configuration — blue and silver is the standard combination across dress-sport quartz watches at this price level.

Silver/Black/Blue: Silver case with a black dial carrying blue accent elements — a three-tone configuration with the bracelet and indices providing the colour layering. The most visually complex of the six.

Silver/Black: Silver case and bracelet with a black dial. Clean, high-contrast and the most formally conservative option — appropriate for business and office contexts where a plain dark dial reads as professional.

Silver/White: Silver case with a white dial. The lightest and most readable of the six — white dial maximises legibility in any lighting condition and reads as the most classic dress watch configuration.

Silver/Black 01: A variation of the silver/black configuration — confirm the specific dial or accent difference from the standard silver/black when publishing.

Full Black: Black case, black bracelet and black dial — DLC or PVD black-tone on all exterior surfaces. The most contemporary and assertive of the six. Full black watches read as tactical and modern; appropriate for casual and smart-casual contexts as well as business.

10mm Thickness — The Slimmest Carnival in the Range

At 10mm total thickness the 8638 is the slimmest watch in the Carnival range reviewed here, narrowly beating the IW 527’s 10.5mm. A 10mm profile is a genuinely slim watch — at this thickness the case is completely flat under a shirt cuff and produces no visible lift in the fabric. For buyers who want a daily wear watch that disappears under formal dress, 10mm at 40mm diameter is the correct specification.

Quartz Movement

The quartz movement requires a battery replacement typically every 2–3 years. In exchange it provides accuracy of ±15 seconds per month — significantly more accurate than any automatic mechanical movement in the Carnival range. The seconds hand steps in discrete 1-second increments rather than sweeping continuously, which is the standard quartz characteristic and immediately distinguishable from an automatic.

There is no winding, no power reserve management and no positional accuracy variation with quartz. For buyers who want a watch they can set and trust to keep time precisely without attention, quartz is the correct choice over automatic.

Complete Calendar

The 8638’s complete calendar display shows day, date and the current day of the week. The “complete calendar” specification typically means all three calendar functions are simultaneously visible — day of week, day of month and month — or it may mean day and date only. Confirm the exact dial layout when publishing: if it shows all three, this is a meaningful complication for a quartz watch at this price. If it shows day and date only, update to “day-date display.”

Mineral Glass Crystal

The 8638 uses mineral glass — harder than plastic acrylic but not as scratch-resistant as sapphire crystal. At this price point and with a quartz movement, mineral glass is the standard specification. The crystal will resist light scratches in daily use and will develop visible marks under significant impact. For buyers who need scratch resistance as a priority, the automatic models in the Carnival range with sapphire crystal (IW 563, I550G, IW 527) are the correct step up.

30m Water Resistance

30m / 3 bar is appropriate for daily urban wear — rain, hand-washing and light splashes. Not suitable for swimming or shower use.

Band Length — 18cm Note

The listed band length of 18cm is shorter than the 22–24cm of other Carnival models in this batch. Confirm whether this is the standard length or a size variant. If 18cm is the full band length, it may be tight for wrists above approximately 17cm — worth flagging to buyers before purchase.

Who Is the Carnival 8638 For?

The 8638 is built for:

• Buyers who want the most accessible price point in the Carnival range for a stainless steel dress-sport watch
• Those who want quartz accuracy and no power reserve management in a Carnival case
• The slimmest possible Carnival watch — 10mm total thickness is the lowest in the range
• Full black configuration buyers who want the DLC/PVD all-black aesthetic in a 40mm quartz

How It Compares in the Carnival Range

vs. Carnival IW 563 — The IW 563 steps up to NH36A automatic with genuine sapphire crystal and tungsten bezel at 100m and 12mm. The 8638 is the quartz alternative at 30m and 10mm thickness, significantly lower price.

vs. Carnival I711G Business Watch — The I711G uses Miyota 8215 automatic at 50m in a business case. The 8638 is the quartz alternative at lower price and thinner profile.

vs. Carnival 1986 — The Carnival 1986 is the flagship automatic with stronger community recognition. The 8638 is the quartz entry-level alternative for buyers who don’t need automatic movement.

vs. Carnival 8017 Bauhaus — The 8017 Bauhaus is the minimalist automatic at higher price. The 8638 is the affordable quartz with calendar function — different movement type at a lower price.

More from Jewelry Addicts

Exploring Carnival quartz and entry-level stainless steel watches:

• Carnival Watches — Full Collection — all Carnival models
• Carnival IW 563 — the step-up automatic with genuine sapphire
• Carnival I711G Business Watch — automatic alternative at comparable price
• Carnival 1986 Flagship — Carnival’s flagship automatic
• Best Automatic Watches Under $200 — full roundup