Aragon · Microbrand · United States
Aragon DM Tungsten 40mm (Seiko NH36)
- Seiko NH36A
- 40 mm × 14 mm
- Sapphire crystal
- 200 m water resistance
Movement
- Caliber
- Seiko NH36A
- Type
- Automatic
- Tier
- Entry
- Complications
- Date, Day
- Frequency
- 21,600 bph
- Power reserve
- 41 h
- Hacking
- Yes
- Accuracy (factory)
- -20 / +40 s/day
Case
- Diameter
- 40 mm
- Lug to lug
- 47 mm
- Thickness
- 14 mm
- Lug width
- 20 mm
- Material
- Steel
- Hardening
- —
- Water resistance
- 200 m
- Crown
- Screw-down
- Case back
- Display
- Bezel
- Unidirectional, ceramic insert, lumed
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- Yes (side not stated)
- Lume
- —
Bracelet & clasp
- Style
- —
- Links per row
- —
- Solid end links
- —
- Solid links
- —
- Link attachment
- —
- Taper
- —
- Quick release
- —
- Half links
- —
- Clasp
- Push-button fold-over
- Micro-adjust
- —
- Diver extension
- —
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
- Stated weight (basis not given)
- 221 g
Prices
Variants
| Name | Reference | Dial | Bezel |
|---|---|---|---|
| Abalone | A726ABA | abalone | black |
| Rainbow | A726RAN | blue rainbow | blue |
| Sky Blue MOP | A726MOP | sky blue mother-of-pearl | light blue |
About this entry
68% of key specs known. Missing: hardening, lume, bracelet links, end links, link attachment, clasp micro-adjust.
Sold as "DM Tungsten 40mm" (listing "Divemaster Tungsten NH36 Automatic", codes A726). Despite the name, the brand gives a stainless steel case; the tungsten is in the bracelet ("Stainless steel with tungsten center link"). Brand spec list (each colour's page): "NH36 24 jewels automatic"; 40mm case, 47mm lug to lug, 14mm thick (not said whether with the crystal); dials "Abalone", "Sky blue MOP" and "Rainbow"; sapphire crystal with anti-reflective coating (side not stated); "Ceramic bezel insert with superluminova index, unidirectional rotating bezel"; "Knurling Screw Down Crown"; bracelet 8" long and 20mm wide (lug width taken from the bracelet width), "Solid fliplock push button deployant clasp"; 200m; exhibition case back; weight 7.8 oz (recorded as 221g, not said what was weighed). The photos show a day-date window at 3. All three colours $350, on sale at $229 and in stock on 2026-11-01.
Last verified: 2026-11-01. Edit or correct this entry.
Sources
- Aragon, DM Tungsten 40mm product page (A726ABA) accessed 2026-11-01
- Aragon, DM Tungsten 40mm product page (A726RAN) accessed 2026-11-01
- Aragon, DM Tungsten 40mm product page (A726MOP) accessed 2026-11-01