The Bronze Field Guide

Lum-Tec M54 Bronze

Archive · used only

The Lum-Tec M54 Bronze is a discontinued other watch with a solid cusn8 bronze case. It measures 44.0 mm across, 14.5 mm thick, 150 g, and is water resistant to 300 m. Inside is the Seiko NH35 japanese automatic movement, with 41 hours power reserve. Complications: Date. Priced from $790 (approx, discontinued). Brand origin: United States. No longer offered new; listed here as an archive reference for the used market.

Bronze other watchesCuSn8Archive
Reference
–
Type
Other
Price
$790 · approx, discontinued
Case diameter
44.0 mm
Thickness
14.5 mm
Lug-to-lug
–
Water resistance
300 m
Weight
150 g (with strap)
Origin
United States
Movement
Japanese automatic
Caliber
Seiko NH35
Power reserve
41 hours
Complications
Date
Ceramic
CuSn8 bronze
Colour
–
Hardness
–
Construction
Assembled
Surface treatment
–
Caseback
–
Nickel-free
Not verified (contact-point materials not all confirmed)
Bracelet / strap
Leather and rubber straps
Ceramic bracelet
–
Crystal
Sapphire
Display back
No
Dial
Brown
Lume
MDV 8-layer lume
Availability
No longer offered
Status
Archive, limited to 200 pieces
Medium confidence Verified Jul 2026 Source: Princeton Watches / Blade HQ Maker / listing ↗
Facts are free to cite with a link.
See it in the interactive guide

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More bronze watches from Lum-Tec

Lum-Tec M83 BronzeLum-TecM83 Bronze$1,09544.0 mm13.8 mm thickDiver
Lum-TecM94 Bronze–44.0 mm13.8 mm thick112 gOther
Lum-TecM94 Bronze Date–44.0 mm13.8 mm thick112 gOther

Frequently asked questions

What bronze alloy is the Lum-Tec M54 Bronze?

The Lum-Tec M54 Bronze has a solid cusn8 bronze case. It is recorded at medium confidence pending a maker-stated alloy.

What size is the Lum-Tec M54 Bronze?

It is 44.0 mm in diameter, 14.5 mm thick, and water resistant to 300 m.

How much does the Lum-Tec M54 Bronze weigh?

About 150 g (w/ strap).

How much does the Lum-Tec M54 Bronze cost, and is it available?

It is no longer offered new; the guide keeps it as an archive reference for the used market, and it listed from $790 when current.

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