San Martin · Factory brand · China
San Martin SN0144 39mm (Miyota 9075)
- Miyota 9075
- 39 mm × 12.3 mm
- Sapphire crystal
- 100 m water resistance
Where to buy
- San MartinWorldwide
Movement
- Caliber
- Miyota 9075
- Type
- Automatic
- Tier
- Mid
- Complications
- Date, GMT
- Frequency
- 28,800 bph
- Power reserve
- 42 h
- Hacking
- Yes
- Accuracy (factory)
- -10 / +30 s/day
Case
- Diameter
- 39 mm
- Lug to lug
- 46.5 mm
- Thickness
- 12.3 mm
- Lug width
- 20 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 100 m
- Crown
- Screw-down
- Case back
- Solid, screw-down
- Bezel
- Fixed
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- Yes (side not stated)
- Lume
- BGW-X1 (blue) on hands and markers
Bracelet & clasp
- Style
- —
- Links per row
- —
- Solid end links
- —
- Solid links
- Yes
- Link attachment
- —
- Taper
- —
- Quick release
- —
- Half links
- —
- Clasp
- —
- Micro-adjust
- On-the-fly, "New Fly Adjustable Clasp"
- Diver extension
- —
Straps
- Strap 1
- Rubber
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
| Variant | Configuration | Type | Price | USD | As of | Source |
|---|---|---|---|---|---|---|
| Blue Jian Zhan | Rubber strap | Street | 508 USD | $508 | 2026-10-24 | link |
| Blue Jian Zhan | Stainless steel bracelet | Street | 549 USD | $549 | 2026-10-24 | link |
| Red Jian Zhan | Rubber strap | Street | 508 USD | $508 | 2026-10-24 | link |
| Red Jian Zhan | Stainless steel bracelet | Street | 549 USD | $549 | 2026-10-24 | link |
| Green Jian Zhan | Rubber strap | Street | 508 USD | $508 | 2026-10-24 | link |
| Green Jian Zhan | Stainless steel bracelet | Street | 549 USD | $549 | 2026-10-24 | link |
| Purple Jian Zhan | Rubber strap | Street | 508 USD | $508 | 2026-10-24 | link |
| Purple Jian Zhan | Stainless steel bracelet | Street | 549 USD | $549 | 2026-10-24 | link |
| Orange Jian Zhan | Rubber strap | Street | 508 USD | $508 | 2026-10-24 | link |
| Orange Jian Zhan | Stainless steel bracelet | Street | 549 USD | $549 | 2026-10-24 | link |
Variants
| Name | Reference | Dial |
|---|---|---|
| Blue Jian Zhan | SN0144-B-GX | blue Jian Zhan pattern |
| Red Jian Zhan | SN0144-B-GX | red Jian Zhan pattern |
| Green Jian Zhan | SN0144-B-GX | green Jian Zhan pattern |
| Purple Jian Zhan | SN0144-B-GX | purple Jian Zhan pattern |
| Orange Jian Zhan | SN0144-B-GX | orange Jian Zhan pattern |
About this entry
74% of key specs known. Missing: weight, hardening, bracelet links, end links, link attachment.
Brand specs (model "SN0144-B-GX GMT"): Miyota 9075, 316L, 39mm, 46.5mm lug-to-lug, 12.3mm including crystal, 20mm lugs, sapphire with AR coating (side not stated), stainless steel bezel (fixed and smooth in the photos), red, blue, green, orange or purple Jian Zhan pattern dial with applied indices and hexagon logo, lumed bar hands, BGW-X1 blue lume on hands and markers, screw-down crown with hexagon logo, screw-down solid caseback, 100m, solid 316L bracelet with the "New Fly Adjustable Clasp" (on-the-fly; positions and range not stated) or a rubber strap. GMT hand and date window at 6 are from the photos. Weight and strap details are not stated. $508 on the rubber strap, $549 on the bracelet (2026-10-24). Stock on 2026-10-25: red, green and orange in stock on the bracelet, purple on the strap; the other combinations sold out. Same 39mm case as the SN0144-GX (Miyota 9015) but 2.2mm thicker.
Last verified: 2026-10-25. Edit or correct this entry.
Sources
- San Martin official store, SN0144-B-GX 39mm GMT Miyota 9075 Jian Zhan pattern accessed 2026-10-25