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Watanabe workshop handmade watch "FROG" jumbo brass black tube [NW-JUM29]

Original price $156.86 - Original price $156.86
Original price
$156.86
$156.86 - $156.86
Current price $156.86
tax included

【受注制作】3~4週間



Mr. Masaaki Watanabe of Watanabe Koubou is a watchmaker who makes watches one by one by hand at his workshop in downtown Tokyo. We have worked on many watch works that are full of warmth and a tasteful expression unique to handmade.

Mr. Watanabe does everything by hand, from making watch parts such as cases, dials, and belts to assembling them. There is a wide variety of products, from simple designs that can be used for both casual and business purposes, to unique models that incorporate originality and ingenuity. Watches created through a very time-consuming process give warmth and healing that ready-made products do not have.

For the material of the case, we use materials such as brass and silver that can be enjoyed over time. The leather belt is made of genuine leather that is thick yet fits well, giving it a sense of quality and presence. With the flow of time, you will grow attached to it - it is overflowing with such warmth.


A playful design where the bolt looks like a frog's eye.
Jumbo brass with a strong presence with a case diameter of 35 mm.


A unique model that connects the watch body and the belt with bolts.
(The belt color in the photo is "black")


The black tube wrapped around the inside of the dial gives it a strong presence.


It is a wristwatch with a unique design that connects the watch body and the belt with bolts. It was named "FROG" because the bolt part looks like a frog's eye.

The dial is fitted with a thick donut board engraved with Arabic numerals. The point is that the hour and minute hands are bent to match the unevenness of the dial.

The black tube wrapped around the inside tightens the impression of the entire dial and enhances its presence.



The hour and minute hands are bent to match the unevenness of the dial.
It's an interesting shape like no other.


A slightly thick brass case
The antique finish which was embezzled.


You can enjoy the change over time in a warm atmosphere unique to handmade products.


The back cover is made of stainless steel.


Mechanical case design and
The texture of antique brass matches well.


Genuine cowhide with good texture is used for the material of the belt.
It has a firm thickness, excellent durability, and an elegant appearance.


Buckle & belt expression


Cowhide with good texture is used for the material of the belt.
It has a firm thickness.


The buckle is also a tasteful atmosphere.


Whole, front and back (click to enlarge)


A design with a strong presence that will accent your outfit.
Please try to taste the special feeling that is not influenced by fashion.


Perfect for casual style.
(Female: arm circumference approx. 14.5cm)


Presence is also outstanding. (Male: arm circumference approx. 17cm)



The dial is slightly larger and has an outstanding presence, making it perfect for coordinating accents.

The warm atmosphere of brass goes well with casual styles. Also, it can be worn by both men and women.

Not only for yourself, but also recommended as a gift for birthdays, anniversaries, Christmas, Valentine's Day, White Day, Father's Day, Mother's Day, etc.


You can choose the color of the belt.


The belt is available in 8 colors: black, brown, camel, tanned, white, red, khaki, and navy.

Choose your favorite color belt and make it your one and only watch in the world.


We also offer different sizes.



Function/Material/Size

Function/Material [Movement] Quartz (made in Japan), 3 needles [Case] ​​Brass (back cover is stainless steel)
[Belt] Genuine leather (cowhide)
[Windshield] Glass
size [Case] ​​Dial diameter: about 29 mm / case diameter: about 35 mm / thickness: about 14.5 mm
[Belt] Width: Approx. 18mm/Thickness: Approx. 3.5mm/Compatible Arm Circumference: Approx. 17cm-13.5cm
[Weight] about 63g
place of production Made in Japan (Domestic)


Precautions before ordering

Most of our products are made-to-order, so it takes about 3 weeks to 1 month for delivery. Thank you for your understanding.
Christmas, Valentine's Day, and the gift season before White Day tend to take longer to produce. If you are thinking of giving it as a gift, please consider the delivery date before ordering.
It is not waterproof, so please be careful when working on rainy days or around water.
The warranty period is one year from the date of purchase. However, only internal failures are covered by the warranty, and external parts such as cases and belts are not covered by the warranty.

Item Number NW-JUM29
Function/Material [Movement] Quartz (made in Japan), 3 needles [Case] ​​Brass (back cover is stainless steel)
[Belt] Genuine leather (cowhide)
[Windshield] Glass
size [Case] ​​Dial diameter: about 29 mm / case diameter: about 35 mm / thickness: about 14.5 mm

[Belt] Width: Approx. 18mm/Thickness: Approx. 3.5mm/Compatible Arm Circumference: Approx. 17cm-13.5cm

[Weight] about 63g

■ Recommended points
Handmade wristwatches made by Mr. Masaaki Watanabe of Watanabe Koubou, a watchmaker who makes watches by hand one by one. Everything is done by hand, from production of watch parts such as cases, dials, and belts to assembly. There is a wide variety of products, from simple designs that can be used for both casual and business purposes, to unique models that incorporate originality and ingenuity.

It is a wristwatch with a unique design that connects the watch body and the belt with bolts. It was named "FROG" because the bolt part looks like a frog's eye.

The dial is fitted with a thick donut board engraved with Arabic numerals. The point is that the hour and minute hands are bent to match the unevenness of the dial.

The black tube wrapped around the inside tightens the impression of the entire dial and enhances its presence.

The slightly thick brass case has an antique finish that looks like it has been used. You can enjoy the change over time in a warm atmosphere unique to handmade products.

The mechanical case design and the antique brass material are a perfect match.

Genuine cowhide with good texture is used for the material of the belt. It has a firm thickness, excellent durability, and an elegant appearance.

The dial is slightly larger and has an outstanding presence, making it perfect for coordinating accents. The warm atmosphere of brass goes well with casual styles. Also, it can be worn by both men and women.

Not only people in their teens, 20s, and 30s, but also people in their 40s and 50s can use it stylishly. The size is suitable for men (for men), women (for women), and unisex. Not only for yourself, but also for birthdays, Christmas (Xmas), Valentine's Day, White Day, Father's Day, Mother's Day, as a matching pair watch, it is also recommended as a gift / present for birthdays. If you would like wrapping, please let us know in the remarks column (free entry column) when ordering.





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