The Titanium Field Guide

Steeldive SD1948S Bronze 1000m Diver

The Steeldive SD1948S Bronze 1000m Diver is a 44.5 mm bronze dive watch with a Seiko NH35 automatic movement.

All Steeldive watchesDiver watchesMicrobrand
Material
Bronze
Grade / type
CuSn8 marine bronze
Water resistance
1000 m
Type
Diver
Price
– · Not recorded: the listing is on Tandorio's store rather than Steeldive's own, and steeldives.com does not list this reference, so no maker list price could be read
Case diameter
44.5 mm
Thickness
15 mm
Lug-to-lug
50.6 mm
Origin
China
Movement
Automatic
Caliber
Seiko NH35
Complications
Time only
Construction
Assembled
Finish technology
Natural finish
Nickel-free
Unconfirmed (contact-point materials not all confirmed)
Bracelet / strap
Strap, 22 mm lugs
Crystal
Sapphire
Display back
No
Dial
Black with orange accents (variants 48S-HR and 48S-KN)
Dial colours
Black
Lume
C3 green Super-LumiNova
Availability
Offered
Status
Current
Not published
Reference, Weight, Power reserve, Colour, Hardness, Surface treatment, Caseback, Matching bracelet
Medium confidence Verified Oct 2026 Source: Tandorio store, Steeldive SD1948S
Facts are free to cite with a link.
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Frequently asked questions

What is the case of the Steeldive SD1948S Bronze 1000m Diver made of?

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

What size is the Steeldive SD1948S Bronze 1000m Diver?

The case is 44.5 mm across, 15 mm thick and 50.6 mm from lug to lug. It is water resistant to 1,000 m.

How much does the Steeldive SD1948S Bronze 1000m Diver cost, and is it available?

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

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