CASIO GENERAL MTP-M305D-1AVDF ANALOG STANDARD MEN WATCH
MTP-M305D-1AVDF
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- 1 Year Warranty
The Casio MTP-M305D-1AV is the black-dial version of Casio's moon phase analog — a working lunar complication in a compact all-steel case, with three inset sub-dials tracking the day, the date and the current phase of the moon. Against the polished steel case and bracelet, the black dial gives the strongest contrast in the range: white hands and markers against a dark ground, with the moon phase aperture the one point of visual interest.
Casio lists this model with an easy-to-read display, and that is the practical difference between the base MTP-M305D-1AV and the Roman-numeral variants in the same series — the markers here are sized for legibility first. The case measures 34mm wide, 9.3mm thick and 44.5mm lug to lug, with stainless steel throughout, mineral glass, a one-touch three-fold clasp and 50-metre water resistance. The quartz movement holds ±20 seconds per month and runs approximately three years per battery.
At a Glance
- BrandCasio
- ModelMTP-M305D-1AV
- Module3744
- MovementQuartz Analog
- Case Width34mm
- Thickness9.3mm
- Lug to Lug44.5mm
- DialBlack
- ComplicationsMoon Phase, Day, Date
- GlassMineral
- Water Resistance50m (5 BAR)
- Battery LifeApprox. 3 Years
Why You'll Love It
- A true moon phase display — it tracks the roughly 29.5-day lunar cycle rather than simply flipping between a sun and a moon, which is the difference between a working complication and a graphic.
- Black dial against a polished steel case is the highest-contrast combination in the series, so the hands and markers read instantly in almost any light. Casio flags this model specifically for display legibility.
- Three sub-dials give the dial structure without clutter, because each one carries information you use: day at 9 o'clock, date at 3 o'clock, moon phase at 6 o'clock.
- At 9.3mm thick it is one of the slimmest watches in the Casio analog range, so it slides under a cuff instead of catching on it — the practical difference between a watch you wear to work and one you leave in the box.
- The 34mm case is a deliberate return to classic proportions. On a slimmer wrist it sits properly instead of overhanging, and it reads as considered rather than oversized.
- Quartz accuracy of ±20 seconds per month and roughly three years of battery life mean you set it once and largely forget it — no winding, no daily correction.
Perfect For
- Moon Phase Enthusiasts
- Smaller Wrists
- Daily Office Wear
- Smart Casual
- High-Contrast Legibility
- First Complication Watch
- Graduation Gift
- Birthday Gift for Him
Key Features
- Moon phase display — a dedicated sub-dial at 6 o'clock tracks the current phase of the lunar cycle, from new moon through full moon and back.
- Day and date sub-dials — day of the week at 9 o'clock and date at 3 o'clock, keeping both off the main dial and the layout symmetrical.
- Easy-to-read display — listed by Casio as a feature of this model: white hands and markers on a black ground for immediate legibility.
- Module 3744 quartz movement — analog timekeeping with three hands (hour, minute, second) plus three sub-dials, accurate to ±20 seconds per month.
- Approximately 3 years of battery life — runs on a single SR621SW cell, so there is no winding and no routine maintenance between battery changes.
- Stainless steel case, bezel and bracelet — a single polished tone throughout, with a one-touch three-fold clasp for quick fastening.
- Compact 34mm case at 9.3mm thick — 44.5mm lug to lug and 116g on the bracelet, sized to sit flat and stay out of the way.
- 50-metre water resistance (5 BAR) — rated for handwashing, rain and accidental splashes. Not intended for swimming or diving.
Technical Specifications
The Casio MTP-M305D-1AV is a quartz analog moon phase watch built on module 3744, with three hands and three inset sub-dials showing the day, the date and the current lunar phase. The stainless steel case measures 34mm wide, 9.3mm thick and 44.5mm lug to lug, weighs 116 grams on the bracelet, and carries mineral glass over a black dial. It runs at ±20 seconds per month accuracy with approximately three years of battery life on an SR621SW cell, fastens with a one-touch three-fold clasp on a stainless steel band adjustable from 150mm to 205mm, and is rated to 50 metres of water resistance.
| Model Number | MTP-M305D-1AVDF |
| Case & Bezel Material | Stainless Steel |
| Case Size (L × W × H) | 44.5 × 34 × 9.3 mm |
| Weight | 116g (on bracelet) |
| Glass | Mineral |
| Water Resistance | 50 Metres (5 BAR) |
| Dial Colour | Black |
| Display Type | Analog |
| Hands | 3 Hands (Hour, Minute, Second) |
| Sub-Dials | 3 (Day, Date, Moon Phase) |
| Moon Data | Moon Phase |
| Material | Stainless Steel |
| Clasp | One-Touch 3-Fold Clasp |
| Compatible Band Size | 150mm to 205mm |
| Module | 3744 |
| Type | Quartz |
| Accuracy | ±20 Seconds Per Month |
| Battery | SR621SW |
| Battery Life | Approx. 3 Years |
Best Matched With
- White Dress Shirt
- Charcoal Suit
- Black Knit Polo
- Grey Crewneck
- Dark Denim
- Black Derbies
- Navy Overcoat
Frequently Asked Questions
Is this a real moon phase, or just a day and night indicator?
It is a true moon phase. The sub-dial carries a moon disc that advances through the full lunar cycle of roughly 29.5 days, showing how much of the moon is currently illuminated — new moon, waxing, full moon, waning, and back again. A day and night indicator only alternates between a sun and a moon over 24 hours, which is a different and much simpler function.
How do I set the moon phase?
The moon phase is set using the crown alongside the day and date, following the sequence in the operation guide for module 3744. The simplest method is to set it on the night of a full moon, when the position is unambiguous. Casio's full instructions for module 3744 are available on the Casio support site.
What is the difference between the MTP-M305D-1AV and the other variants?
The MTP-M305D series shares one case, one module and one bracelet across the range — only the dial changes. The 1AV is the black dial, listed by Casio with an easy-to-read display. The 7AV is the same layout in white. The 1A2V and 7A2V run Roman numerals on the vertical axis for a more formal look, and the MTP-M305L models pair the same case with a leather band instead of steel.
Is 34mm too small for a men's watch?
34mm is a classic mid-century proportion that has come back into favour, and it suits wrists from roughly 15cm to 18cm particularly well. The 44.5mm lug-to-lug span is what determines whether a watch overhangs, and at 44.5mm this one sits within most wrists rather than across them. If you prefer a larger presence, the Casio Enticer and Edifice ranges run substantially bigger.
Can I swim with this watch?
No. With 50-metre (5 BAR) water resistance, the MTP-M305D-1AV is rated for handwashing, rain and accidental splashes, but it is not intended for swimming, showering or diving. Avoid operating the crown while the watch is wet.
How long does the battery last?
Approximately three years on a single SR621SW cell. When the battery runs down, bring the watch to any City Chain outlet for replacement — having it changed by a service centre keeps the case seal correctly reseated, which protects the water resistance rating.
How scratch resistant is mineral glass?
Mineral glass is hardened and considerably tougher than acrylic, handling everyday knocks and desk contact well. It is softer than sapphire, so deliberate contact with keys, stone or grit can leave marks over time. Light surface marks on mineral glass can often be polished out, which is not the case with sapphire.
Is the bracelet adjustable?
Yes. The stainless steel band fits wrists from 150mm to 205mm and is resized by adding or removing links. City Chain offers complimentary bracelet sizing at any outlet — bring your warranty book along for the service.
Is this a good gift?
It is one of the easiest watches in the Casio range to give. The moon phase gives it a talking point that a standard three-hand watch does not have, black and steel suits almost any wardrobe, and the compact size means it fits a wide range of wrists without needing to know a size in advance.
Why Buy from City Chain Singapore
- Authorised Retailer Official Casio stockist
- 100% Authentic Genuine Casio product
- Free Shipping All orders within Singapore
- Strap Adjustment Size it in-store
Case size (L× W× H): 44.5 × 34 × 9.3 mm
Weight: 116 g
Case and bezel material: Stainless steel
Stainless Steel Band
One-touch 3-fold Clasp
50-meter water resistance
Approx. battery life: 3 years on SR621SW
Moon phase
Accuracy: ±20 seconds per month
Other features
Regular timekeeping:
Analog: 3 hands (hour, minute, second), 3 dials (date, day, moon phase)
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