The Titanium Field Guide

Tandorio TD125B 47mm Bronze Big Pilot

The Tandorio TD125B 47mm Bronze Big Pilot is a 47 mm bronze pilot watch with a Seiko NH35 or PT5000 automatic movement. At 47 mm across, no other bronze pilot watch in the guide is larger, out of 55.

All Tandorio watchesPilot watchesMicrobrand
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
100 m
Type
Pilot
Price
– · Not recorded: the store's struck-through reference figure on this listing varies by variant and on some variants is lower than the charged figure, so neither is credible as a list price
Case diameter
47.0 mm
Thickness
14 mm
Origin
China
Movement
Automatic (buyer picks NH35 or PT5000)
Caliber
Seiko NH35 / PT5000
Complications
Time only
Construction
Assembled
Finish technology
Natural finish
Caseback
Steel
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
22 mm leather strap with pin buckle
Crystal
Sapphire
Display back
No
Dial
Black, green or blue, logo or sterile
Dial colours
Black Blue Green
Lume
Luminous dial
Availability
Offered
Status
Current
Not published
Reference, Lug-to-lug, Weight, Power reserve, Colour, Hardness, Surface treatment, Matching bracelet
Medium confidence Verified Oct 2026 Source: Tandorio (maker store product page)
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Frequently asked questions

What is the case of the Tandorio TD125B 47mm Bronze Big Pilot made of?

The case is cusn8 marine bronze. The guide has not yet confirmed it on the maker's own page. The caseback is steel, not titanium.

What size is the Tandorio TD125B 47mm Bronze Big Pilot?

The case is 47 mm across and 14 mm thick. It is water resistant to 100 m.

How much does the Tandorio TD125B 47mm Bronze Big Pilot cost, and is it available?

It is in production, but the maker does not publish a price.

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