OrientBambino Sun & Moon

Automatic movement with the rotor and jewels on show
Scale drawing of the Orient Bambino Sun & Moon: 41.5 mm diameter, 47 mm lug-to-lug and 14.2 mm thick

A scale drawing from the manufacturer’s dimensions; the official photo is pending. Header: an automatic movement from the inside.

Orient Bambino Sun & Moon€280–310
Orient · Ref. RA-AK0803Y · Dress · Japan

Indicative price band. The exact price is on Amazon.

See price on Amazon
  • The Bambino with a sun-and-moon indicator: a domed dial, 42 mm and an in-house Orient movement that shows whether it is day or night.
  • F6B24 movement with 40 h of power reserve at 21,600 bph.
  • Hacking seconds and hand winding.
  • Mineral crystal and 30 m water resistance.
  • 41.5 mm diameter, 14.2 mm thick and 47 mm lug-to-lug.

Affiliate link: if you buy, Amazon pays Calibrario a commission and you pay the same. Availability on Amazon.es checked on 21 October 2026.

In figures

40 hPower reserve
41.5mm diameter
14.2mm thick
47mm lug-to-lug
30 mWater resistance
MineralCrystal

Will it fit your wrist?

Move the slider to your wrist circumference. Seen from above, your wrist is roughly a third of that wide; if the lug-to-lug is wider, the watch overhangs.

Scale drawing of the Orient Bambino Sun & Moon: 41.5 mm diameter, 47 mm lug-to-lug and 14.2 mm thickØ 41.5 mm47 mm lug-to-lug14.2 mm

With a 17 cm circumference, your wrist is about 56 mm wide.

Bambino Sun & Moon41.5 mmPresage Cocktail Time40.5 mmPresage Cocktail Time Open Heart40.5 mm

Specifications

Movement

MovementF6B24
Movement makerOrient
Power reserve40 h
Beat rate21,600 bph
Hacking secondsYes
Hand windingYes

Case and crystal

Diameter41.5 mm
Thickness14.2 mm
Lug-to-lug47 mm
CaseSteel
CrystalMineral
Water resistance30 m
Rotating bezelNo
Display casebackYes

Strap and dial

Lug width21 mm
Strap or braceletLeather strap
DialBeige
ComplicationsDate, Day and night indicator

Buying

Indicative price band€280–310
StyleDress
Brand originJapan

Data checked against the manufacturer’s official website on 21 October 2026. A dash means the manufacturer does not publish that figure.

Sources: orient-watch.com (archived copy), orient-watch.com (archived copy)

The movement

Orient’s in-house automatics: 22 jewels, 40 to 50 hours, hacking seconds and hand winding.

All about the Orient F6 (F6922, F6724, F6B24 and F6N47)

Against its rivals

Scale drawing of the Orient Bambino Sun & Moon: 41.5 mm diameter, 47 mm lug-to-lug and 14.2 mm thick
Orient Bambino Sun & Moon
F6B24, 40 h, mineral, 30 m, 41.5 mm
€280–310
Scale drawing of the Seiko Presage Cocktail Time: 40.5 mm diameter, 47.5 mm lug-to-lug and 11.8 mm thick
Seiko Presage Cocktail Time
4R35, 41 h, Hardlex, 50 m, 40.5 mm
€395–445
Scale drawing of the Seiko Presage Cocktail Time Open Heart: 40.5 mm diameter, 47.5 mm lug-to-lug and 11.8 mm thick
Seiko Presage Cocktail Time Open Heart
4R38, 41 h, Hardlex, 50 m, 40.5 mm
€440–490
Figure Orient Bambino Sun & MoonSeiko Presage Cocktail TimeSeiko Presage Cocktail Time Open Heart
Indicative price band€280–310€395–445€440–490
MovementF6B244R354R38
Power reserve40 h41 h41 h
Beat rate21,600 bph21,600 bph21,600 bph
CrystalMineralHardlexHardlex
Water resistance30 m50 m50 m
Diameter41.5 mm40.5 mm40.5 mm
Thickness14.2 mm11.8 mm11.8 mm
Lug-to-lug47 mm47.5 mm47.5 mm
Hacking secondsYesYesYes
Hand windingYesYesYes
Rotating bezelNoNoNo
Strap or braceletLeather strapSteel braceletSteel bracelet
Brand originJapanJapanJapan
See price on AmazonSee specsSee price on AmazonSee specsSee price on AmazonSee specs

Watches of the same style with the nearest price band. In red, the best figure in each row.

Comparisons

Making sense of the specs

Caseback of an automatic watch showing the rotor Power reserveHow long it keeps running off the wrist, and why 80 hours changes daily life.Read the guide Dial of a Seiko chronograph, close up Sapphire, Hardlex or mineralWhich crystal scratches, which chips and which is worth it.Read the guide

Frequently asked questions

Which movement does the Orient Bambino Sun & Moon use?

The F6B24, from the Orient F6 (F6922, F6724, F6B24 and F6N47) family, made by Orient. It gives 40 h of power reserve at 21,600 bph.

Does it have hacking seconds and hand winding?

The seconds hand stops when you pull the crown, and it can be wound by hand by turning it.

Can you swim or dive with it?

It is water resistant to 30 m: it handles splashes and rain, but it is best not to swim with it.

What size wrist does it suit?

With a 47 mm lug-to-lug, it suits wrists from about 15 cm in circumference. Below that, the lugs reach the edge. You can work it out with your own measurement on this page.