Josh

Building in the open

Watches & Timepieces

Watches and timepieces are beautifully intricate marvels of human intelligence and engineering. I have a few because time anchors my life and their mechanisms inspire me.

Soon, I want to start building more personal clocks at home.

Collection

  SKX 173 SARB 035 Ventura Lunar Pilot G-Shock GWM5610-1 Traser GH55 Seamaster 300
Summary The best basic dive watch (ISO 6425) “Baby Grand Seiko” dress watch World’s first electric watch (1957) Apollo 15 moon chronograph Solar atomic square, “Tom Sachs Watch” 24-hour dial watch Heritage diver, Master Chronometer
Image
SKX173
SKX173
SARB035
SARB035
Ventura
Ventura
Lunar Pilot
Lunar Pilot
GWM5610-1
GWM5610-1
Traser GH55
Traser GH55
Seamaster 300
Seamaster 300
Brand Seiko Seiko Hamilton Bulova Casio Svalbard Omega
Movement 7S26 auto, 21j 6R15 auto, 23j Quartz NP20 HF quartz (262 kHz) Module 3495 solar/atomic Seiko NH34A auto, 24j Cal. 8912 auto, 38j
Accuracy ±15 sec/day +25/-15 sec/day 1/20 sec precision ±15 sec/month 0/+5 sec/day (METAS)
Power Reserve 41 hrs 50 hrs ~11 months (solar) 41 hrs 60 hrs
Case Material Stainless steel 316L stainless steel Stainless steel 316L stainless steel Resin 316L stainless steel Stainless steel
Case Width 42mm 38mm 32mm × 50mm 45mm 43.2mm 40mm 41mm
Case Width with Bezel
Case Thickness 13.25mm 11.5mm 9.27mm 13.5mm 12.7mm 12.85mm 13.85mm
Lug-to-Lug 45.5mm 44.5mm 50mm 53mm 46.7mm 48mm 48mm
Lug Width 22mm 20mm 17mm 20mm 20mm 21mm
Crown Screw-down, 4 o’clock Non-screw down Buttons 6.5 × 4mm Screw-down
Glass Hardlex Sapphire Mineral Sapphire (AR coated) Mineral Sapphire Sapphire (display back)
Bezel 120-click unidirectional Fixed Fixed Tachymeter Resin Fixed Aluminum, unidirectional
Lume LumiBrite LumiBrite Super-LumiNova Auto LED Tritium Vintage Super-LumiNova
Water Resistance 200m 100m 50m 50m 200m 100m 300m
Bracelet/Band Rubber strap Steel bracelet Leather strap Leather + nylon straps Resin Leather/mesh Steel bracelet
Weight 101g 138g 107g 51.7g 64g (head only)
Acquired 2017 2017 2022 2024 2026 2026 2026
Notes       Islander Bracelet for Bulova 45mm Blasted Lunar Pilot Models     15,000 gauss magnetic resistance
Loop-less HydroFlex Strap from Artem Straps
Epsom Midnight Blue Strap from Liger

Want

In order of ascending price

Appreciate But Probably Wouldn’t Like

These are the designs that I adore but I probably wouldn’t like them in practice.

  • Farer Integra Perlarum
    • This is just a beautifully detailed dial, though I probably wouldn’t wear it enough to justify it
  • Doxa SUB 300T Searambler (or 300 Professional)
    • I think I would want more lume (especially on the bezel) than this affords
  • Appreciate the story but don’t want: Marathon GSAR Diver’s
    • Generally I think this is overpriced and I would hate seeing the tritium glow fading over the years while all my luminova watches continue lighting up
  • The cheaper version of the Seamaster 300 is the Baltic Aquascaphe Classic

Reference

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Josh Beckman's Organization: https://www.joshbeckman.org/watches-timepieces/