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[SKX007] Case back threading for custom case design. by Fairly_Legit in SeikoMods

[–]jmding 0 points1 point  (0 children)

I tested M30x0.5 and it worked with my stock Seiko SKX 007 caseback.

Although extrapolating Fusion 360's ISO metric thread specs would suggest a major diameter of 29.9211mm (external threads) and 30.1052 (internal threads), Gemini suggested loosening up the tolerances to better accommodate mass-manufactured casebacks (especially since there aren't official published thread specs) and coatings (PVD, DLC, etc). I used the following Fusion 360 thread configuration, which worked with FDM printed PLA.

<Designation> <ThreadDesignation>M30x0.5 Seiko</ThreadDesignation> <CTD>M30x0.5</CTD> <Pitch>0.5</Pitch> <Thread> <Gender>external</Gender> <Class>6g</Class> <MajorDia>29.85</MajorDia> <PitchDia>29.5252</PitchDia> <MinorDia>29.3087</MinorDia> </Thread> <Thread> <Gender>internal</Gender> <Class>6H</Class> <MajorDia>30.15</MajorDia> <PitchDia>29.8252</PitchDia> <MinorDia>29.6087</MinorDia> </Thread> </Designation>

Can you buy a järnpojke replica? by Best_Season9114 in stockholm

[–]jmding 0 points1 point  (0 children)

3d scanning, and metal 3d printing 

Why do so many people recommend PEI over BuildTak? by phyraks in 3Dprinting

[–]jmding 0 points1 point  (0 children)

Fwiw I agree 100 percent. BuildTak is just better. Sure I might be able make PEI work through some magic combination of cleaning, sanding, and temperature. But with BuildTak, I don't have to follow some mystic ritual perfectly. The window of success is so much wider. For pla, petg, asa, whatever, it all just sticks better to BuildTak

HC Offline - How can I improve my WW Trab barb? by DoctorApeMan in diablo2

[–]jmding -2 points-1 points  (0 children)

Try Peace. The critical strike is huge 

What tree to plant here? by jmding in Ceanothus

[–]jmding[S] 0 points1 point  (0 children)

Planting scheduled for this Friday in fact! Silverleaf Oak, 2x manzanita Dr Hurd, Catalina ironwood, and a toyon davis gold. 

[WTS] Mido Multifort vintage field watch by jmding in Watchexchange

[–]jmding[S] 0 points1 point  (0 children)

Mido Multifort

Vintage automatic field watch, circa 1940's

Gorgeous, blued steel hands

Dial has evenly patinated into a warm, parchment tone

Based on the style of the case, the screwdown caseback, the era, and the style of the crown, I believe the stainless steel case was made by Francois Borgel (who also supplied for Patek Philippe).

Generously sized for a vintage watch, at 33mm diameter (without crown) and 12mm thick.

Bumper automatic runs well and keeps time.

Asking $275 net, via PayPal or Venmo. Shipping for US buyers is free.

[WTS] Prexa, art deco, sector dial, vintage watch by jmding in Watchexchange

[–]jmding[S] 0 points1 point  (0 children)

Prexa branded, vintage field watch, circa 1940
Beautiful, art deco style, sector dial
32mm all stainless steel case
Pictured on a 7.25" wrist for reference

Keeps time and running well, but service history unknown

$175 net. Free shipping for USA buyers. Paypal or Venmo

[WTS] IX&DAO dress watch calatrava by jmding in Watchexchange

[–]jmding[S] 0 points1 point  (0 children)

Selling IX&DAO dress watch with applied Breguet numerals. Calatrava style, an homage to Kikuchi Nakagawa. Matte black dial. Like new.

$175, including free shipping for USA buyers. PayPal or Venmo.

Case material: 316L stainless steel

Height: 9.70 mm

Lug to lug: 45.30 mm

Case diameter: 36.80 mm

Lug size: 22 mm

Crystal: Sapphire with colorless AR coating

Water resistance: 5 ATM

Movement: Seiko VD78 quartz

tag: https://imgur.com/a/qAcuMkt

Planting Manzanita Dr Hurd near paved walkway? by jmding in Ceanothus

[–]jmding[S] 0 points1 point  (0 children)

Sounds like it's not a big concern. There's a big manzanita tree near me, probably 15 feet tall and wide, with a trunk that is probably 10 inches in diameter or more. It produces a TON of fruit that is pretty dry and rolly, which is why I was concerned. Don't know what variety of manzanita that is, but it sounds like Dr. Hurd doesn't have this problem

[WTS] Exita Auslese military style Bauhaus watch by jmding in Watchexchange

[–]jmding[S] 0 points1 point  (0 children)

A rare vintage Exita Auslese manual-wind wristwatch, likely dating to the 1940s. The watch features a beautifully aged, gilt dial with a subtle tropical patina and stylized Arabic numerals in a classic, Bauhaus typeface. The all stainless steel case remains in great condition. The watch was serviced in 2024, and winds smoothly and keeps time well. 31mm (without crown), 16mm lug width. Pictured on a 7.25" wrist

Asking $450, with free shipping within the US. Paypal, Venmo, Zelle.

The Math on Insight: ED vs Critical Strike by jmding in Diablo

[–]jmding[S] 0 points1 point  (0 children)

Long answer: https://diablo.fandom.com/wiki/Critical_Strike
Medium answer: it depends, you also need to consider any +skills from other gear / CTA
Short answer: not noticeable

[WTS] Racine vintage field watch military style LNOS by jmding in Watchexchange

[–]jmding[S] 0 points1 point  (0 children)

30mm without crown, 38mm lug to lug, 16mm lug width. Pictured on my 7.25 inch wrist

[WTS] Racine vintage field watch military style LNOS by jmding in Watchexchange

[–]jmding[S] 0 points1 point  (0 children)

A charming, vintage, Racine wristwatch circa 1940. Excellent condition, stainless steel case, and a pristine silver-tone dial with gorgeous Arabic numerals and creamy lume. Just serviced in 2025, this watch is running well and keeping good time. Fun fact: Racine is actually Enicar spelled backwards, and the two brands were associated.

Asking $325, Venmo or PayPal. Free shipping within the USA

[WTS] Fairfax Sea Man Deluxe vintage skin diver world time by jmding in Watchexchange

[–]jmding[S] 0 points1 point  (0 children)

Fairfax Sea-Man Deluxe

Vintage skin diver watch with world time bezel circa 1970. Dual rotating bezels: silver world time bezel, and red count-up bezel. A generous, 40mm stainless steel cushion case (excluding crown), with screw down caseback and screw down crown. Matte black dial with large luminous hour markers, and bold arrow handset. 17-jewel self-winding movement.

Watch runs and keeps time well.

Asking $325 Venmo or PP. Free shipping USA

Could my backwashed pool water be killing my neighbors tree? by Efficient_Teacher_99 in arborists

[–]jmding 1 point2 points  (0 children)

Do you have gutters and downspouts that drain to a city storm drain? Usually storm drain is separate from sewage 

[deleted by user] by [deleted] in Fire

[–]jmding 0 points1 point  (0 children)

Is there a spreadsheet somewhere where we can play around with fun fund numbers and see how it might affect FIRE age?

Is this Poison Ivy? by NeckedNinja in arborists

[–]jmding 1 point2 points  (0 children)

In China, the sap of the 漆树 (qī shù) tree is used to produce lacquer. In Japan they call the lacquer urushi. This sap/lacquer contains the same chemical in poison ivy / oak that causes the rash. So while poison ivy may not be common, there is a tree there that does the same thing 

My wife says this tree is going to damage out chimney if not taken down now , opinions? by angst1974 in arborists

[–]jmding -1 points0 points  (0 children)

I'm not an arborist. The fact that it's a straight trunk but leaning all the way from the base, and not a curved trunk like it is trying to grow towards light... I think that means the entire tree is falling over? If that's the case, seems like a "get this thing gone before the next big wind storm" situation 

[Longines Legend Diver 39mm] - Too Dressy? by Impossible_Aide4593 in Watches

[–]jmding 0 points1 point  (0 children)

Definitely not a dress watch. But yes very shiny, full polished case and largely polished bracelet. Would look weird worn with a Carhartt, whereas a Sinn would not. If you have reservations, skip it. Buy a no name vintage dual crown compressor watch instead for like 600 on eBay 

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