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Kikuchi Nakagawa Builds Modern Japanese Watchmaking Around Black Polish

The Kikuchi Nakagawa Murakumo is made through a named network: Vaucher supplies the KN001 movement, Matsuura Works makes the steel case and Comblémine makes the dial. Kikuchi Nakagawa directs the form and applies exacting black polish to the case and hands.

By The Dial Brief Editorial DeskPublished 9 August 2026Updated 19 August 20264 min read

Kikuchi Nakagawa Murakumo with black-polished steel case, spade hands and Breguet numerals — Kikuchi Nakagawa

In brief. Murakumo’s importance lies in its honest division of labour: Kikuchi Nakagawa defines the form and finish, while named specialists supply the movement, dial, case and strap that make that vision repeatable.^{[1] [2] [3] [4] [5] [6] [7] [8]}

Authorship Without an In-House Myth

The Murakumo uses the automatic KN001 supplied by Vaucher Manufacture Fleurier. Its 316L steel case is made by Matsuura Works, while Comblémine produces the dial. Naming these specialists clarifies how the watch is assembled around a directed design rather than obscuring the supply chain.^{[1] [4] [6]}

Kikuchi Nakagawa’s authorship lies in proportion, surface standards, hands and the coordination of those contributions. Outsourcing does not erase responsibility when the workshop states who performs each role. The collector can judge the selected calibre, case maker and dial specialist as parts of one deliberately managed result.^{[1] [4] [6]}

Black Polish as the Main Visual Technology

The case and sculptural spade-shaped steel hands receive precise black polish by hand. A highly polished surface can appear dark or bright as its angle to the light changes, so finishing becomes an active visual system rather than a static gloss. This effect is central to the Murakumo’s identity.^[5]

That optical behaviour gives the hands and case a common language even though different specialists contribute other components. It also makes condition unusually visible: a surface designed around uninterrupted reflection can reveal marks readily. The cited sources establish the hand polishing, but not how future refinishing would affect geometry or delivery time.^[5]

The case measures 36.8 mm across, 45.5 mm from lug to lug and 8.5 mm thick including the crystal. Compact dimensions create broad, controlled surfaces for the polish without turning the watch into a large display object. Hand finishing also implies variation and labour that specifications alone cannot quantify.^{[4] [5]}

A Thin Vaucher Movement Sets the Proportions

The KN001 is 30 mm across and only 2.6 mm thick. It runs at 21,600 vibrations per hour and has a stated 48-hour power reserve. That thin base helps make the complete 8.5 mm case possible and supports the restrained proportions of the watch.^{[2] [4]}

The movement contains 160 parts and 29 jewels, with a variable-inertia balance and a ceramic bearing for the winding rotor. Those details describe construction, not measured precision. The sources do not publish current rate results, so the calibre should be credited for architecture and dimensions without inventing a performance verdict.^{[2] [3]}

Breguet Numerals Without Historical Pastiche

Comblémine’s dial uses pad-printed Breguet numerals and a recessed small-seconds display. The familiar vocabulary is held inside a compact modern case, while the exaggerated spade hands bring a sharper sculptural character. Classical references are therefore organised rather than simply reproduced.^{[6] [5]}

A box-shaped sapphire crystal has colourless anti-reflective treatment on both sides. That construction supports a vintage-inflected profile while keeping the material contemporary. It also contributes to the stated overall thickness, which includes the crystal, an important detail when comparing the Murakumo with flatter dress watches.^{[7] [4]}

Named Suppliers, Low Water Resistance and a Long Wait

The case is rated to three atmospheres, so the Murakumo should not be treated like a sports watch despite its steel construction and sapphire crystal. Its practical limits belong in the same assessment as the polished surfaces, which may make wear marks especially visible under changing light.^{[7] [5]}

The official listed price is USD 23,000 before tax, and current delivery timing is not stated on the page. Buyers receive unusually clear supplier attribution, but annual output, actual rate performance and service turnaround remain unpublished. A direct conversation about lead time and after-sales handling is therefore part of the purchase decision.^{[8] [1]}

The Dial Brief view

Murakumo asks collectors to value direction and finishing rather than an all-in-house claim. The named suppliers are a strength because they make the division of labour inspectable. Black polish then supplies the workshop’s most visible authorship, changing with light across the case and hands. Buyers must also accept a three-atmosphere rating, a USD 23,000 price before tax and uncertain current delivery timing. The available specifications establish a compelling object, but rate performance, annual output and service turnaround need direct confirmation before an order.

What we know, and what remains unconfirmed

The available review is an early assessment rather than a long-term ownership report; current annual output, delivery timing, rate performance and service turnaround are not published on the official page.