lug2lug
BrowseCompareNewsCommunityMy Watches
BrowseCompareNewsCommunityMy Watches
Theme
Popular microbrands:Christopher Ward·Baltic·anOrdain·Atelier Wen·Boldr·Bremont·Dan Henry·DOXABrowse all →
Best, by the specs:Diver under $2,000·Dress under $5,000·Chronograph under $5,000·Best sport watches·GMT under $5,000·Field under $500·Pilot under $2,000·Casual under $1,000All rankings →
Glossary:Lug-to-Lug·Water Resistance·Chronograph·GMT·Automatic·LumeBrowse all →
Tools:Collection tracker·Wrist-fit calculator·Selling calculator·What should I buy?·Market index·iPhone app
Lug2Letter
Watches worth knowing about, weekly.
Curated discoveries, founder spotlights, and the occasional deep-dive.
Get the app
Download on theApp StoreGET IT ONGoogle Play
TermsPrivacyDelete accountCopyrightDisclosuresContactContribute

Independent reference site · not affiliated with any brand · contains affiliate links

© 2026 Lug2Lug LLC · Prices are estimates and not offers

Loading watch
Home/Browse/STEELDIVE/SD1958S
SpecStudio
STEELDIVE SD1958S
Click to inspect
STEELDIVE

STEELDIVE SD1958S

Ref. SD1958S

$198Stock unknown

4 matched eBay listings

Case

Diameter
41.1mm
Thickness
14.85mm
Lug-to-lug
49.7mm
Material
Soid Bronze CuSn8
Water resistance
200m

Crystal & dial

Crystal
Sapphire

Movement

Caliber
Seiko NH35
Type
Automatic

Seiko

Seiko's third-party supply version of the 4R35, sold to external watch brands and modders worldwide. Adds hacking and hand-winding over the 7S26 it effectively replaced. The NH35 has become the default automatic movement for watch modding and microbrand watches, thanks to its low cost, reliability, and wide availability of compatible parts including dials, hands, and cases in the Seiko-compatible format.

Design language

Case shape
round
Dial style
matte
Bezel
rotating
Bracelet
rubber_strap

AI-detected from the product image

Alternatives

01The market

Market prices.

Retail$198

eBay listings

  • Steeldive SD1958 Blk Dial Diver 41mm Automatic 200M Sapphire Lume Ceramic BezelPre-owned - Excellent · US$130↗
  • STEELDIVE SD1958S — 41.1MM Solid Bronze Case 200M Sapphire Glass NH35 Dive WatchNew with box and papers · US$256↗
  • STEELDIVE SD1958S — 41.1MM Solid Bronze Case 200M Sapphire Glass NH35 Dive WatchNew with box and papers · US$256↗

Lowest displayed prices first.

Search eBay ↗

Matched listings from our latest checks; eBay may show additional results. We may earn a commission through these links at no extra cost to you.

02The connection engine

More like this.

Audaz ADZ-2065

Audaz

ADZ-2065

42mm · Automatic$600

Zelos Swordfish 40mm

Zelos

Swordfish 40mm

40mm · Automatic$349

Thorn Vintage 50-Fathoms Bronze Dive Watch

Thorn

Vintage 50-Fathoms Bronze Dive Watch

40mm · Automatic$189

Zelos Hammerhead 1000m Diver Black with Ceramic Bezel

Zelos

Hammerhead 1000m Diver Black with Ceramic Bezel

44mm · Automatic$499

Zelos Hammerhead 1000m Diver

Zelos

Hammerhead 1000m Diver

44mm · Automatic$649

Revelot R11 Storm

Revelot

R11 Storm

42mm · Automatic$390

View all alternatives

03The community take

Owners talk.

“
In a nutshell

The STEELDIVE SD1958S (ref. SD1958S) is an automatic watch, with a 41.1mm soid bronze cusn8 case, 14.85mm thick, powered by the Seiko NH35 movement. Water resistance is rated to 200m, under a sapphire crystal. Manufacturer MSRP is $198.

Open the discussion

On real wrists

No shots yet. Show how it wears.

04The paper trail

Ask the communityStart a discussion about the SD1958S: get takes from other collectors.Ask →

05The discussion

Talk about the STEELDIVE SD1958S.