San Martin · Factory brand · China
San Martin SN0154 40mm
- Seagull ST2130
- 40 mm × 13.2 mm
- Sapphire crystal
- 300 m water resistance
Where to buy
- San MartinWorldwide
Movement
- Caliber
- Seagull ST2130
- Type
- Automatic
- Tier
- Mid
- Complications
- Hours, Minutes, Seconds
- Frequency
- 28,800 bph
- Power reserve
- —
- Hacking
- Yes
- Accuracy (factory)
- —
Case
- Diameter
- 40 mm
- Lug to lug
- 48 mm
- Thickness
- 13.2 mm
- Lug width
- —
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 300 m
- Crown
- Screw-down
- Case back
- —
- Bezel
- 60-minute dive, ceramic insert, lumed
Crystal & dial
- Crystal
- Sapphire
- Shape
- —
- Anti-reflective
- Yes (side not stated)
- Lume
- BGW-X1 (blue) on hands and markers
Bracelet & clasp
- Style
- Oyster
- Links per row
- 3
- 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
- —
Weight
- Head only
- —
- On bracelet
- —
- On strap
- —
Prices
| Variant | Configuration | Type | Price | USD | As of | Source |
|---|---|---|---|---|---|---|
| All | — | Street | 388 USD | $388 | 2026-10-24 | link |
Variants
| Name | Reference | Dial |
|---|---|---|
| Gradient Black | SN0154-G | gradient black, textured |
| Gradient Blue | SN0154-G | gradient blue, textured |
| Gradient Green | SN0154-G | gradient green, textured |
About this entry
74% of key specs known. Missing: lug width, weight, hardening, end links, link attachment.
Brand specs: Seagull ST2130 automatic, 316L, 40mm, 48mm lug-to-lug, 13.2mm including crystal, sapphire with AR coating (side not stated), ceramic bezel with lume, gradient black, blue or green dial with applied indices and hexagon logo, lumed sword hands, BGW-X1 blue lume on hands and markers, screw-down crown with hexagon logo, screw-down caseback with San Martin logo, 316L solid bracelet with the "New Fly Adjustable Clasp" (on-the-fly; positions and range not stated), 300m. Lug width, weight and bezel rotation are not stated; the 60-minute scale, the textured dial and the 3-link oyster-style bracelet are from photos. The ST2130 is a date caliber, but no SN0154 dial in the photos shows a date window, so complications are time only. The store spells the colour options "Gradiend". $388 for any colour; all three in stock on 2026-10-25. The listing is filed under the store's "Pre-Order Model" category.
Last verified: 2026-10-25. Edit or correct this entry.
Sources
- San Martin official store, SN0154-G 40mm ST2130 300m gradient dial accessed 2026-10-25



