March LA.B · Microbrand · France
March LA.B Mansart Automatique
- La Joux-Perret G100
- 34 mm × 11 mm
- Sapphire crystal
- 50 m water resistance
Movement
- Caliber
- La Joux-Perret G100
- Type
- Automatic
- Tier
- Premium
- Complications
- Hours, Minutes, Date
- Frequency
- 28,800 bph
- Power reserve
- 68 h
- Hacking
- Yes
- Accuracy (factory)
- —
Case
- Diameter
- 34 mm
- Lug to lug
- 39 mm
- Thickness
- 11 mm
- Lug width
- 20 mm
- Material
- Steel (316L)
- Hardening
- —
- Water resistance
- 50 m
- Crown
- —
- Case back
- Display, screw-down
- Bezel
- —
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
- Yes
- Half links
- —
- Clasp
- —
- Micro-adjust
- —
- Diver extension
- —
Straps
- Strap 1
- Leather, quick release, Leather options: alligator, lizard; tool-free "presto" quick-release system
Weight
- Head only
- —
- On bracelet
- 100 g
- On strap
- 55 g
Prices
| Variant | Configuration | Type | Price | USD | As of | Source |
|---|---|---|---|---|---|---|
| Grall Date | black alligator strap | Msrp | 1,945 EURincl. VAT | $2,183 | 2026-10-24 | link |
| Grall Date | steel bracelet | Msrp | 1,945 EURincl. VAT | $2,183 | 2026-10-24 | link |
| Grall Date | black lizard strap | Msrp | 1,695 EURincl. VAT | $1,903 | 2026-10-24 | link |
| White Date | steel bracelet | Msrp | 1,945 EURincl. VAT | $2,183 | 2026-10-24 | link |
| White Date | black alligator strap | Msrp | 1,945 EURincl. VAT | $2,183 | 2026-10-24 | link |
| White Date | black lizard strap | Msrp | 1,695 EURincl. VAT | $1,903 | 2026-10-24 | link |
| Golden Hour | alligator strap | Msrp | 2,795 EURincl. VAT | $3,137 | 2026-10-24 | link |
Variants
| Name | Dial |
|---|---|
| Grall Date | Green (sandblasted) |
| White Date | White (sandblasted) |
| Golden Hour | Gold-tone |
About this entry
63% of key specs known. Missing: hardening, crown, lume, bracelet links, end links, link attachment, clasp micro-adjust.
Octagonal dress watch. Brand spec sheets: 316L steel octagonal case, 34mm x 39mm (39mm lug-to-lug), 11mm, 20mm lugs, La Joux-Perret automatic assembled in Besançon (about 68h; the Golden Hour sheet names the G100), hours, minutes and date with no seconds hand (confirmed in the photos), sapphire with anti-reflective coating, green-tinted skeleton screw-down caseback, 50m; 55g on leather or 100g on the steel bracelet. Golden Hour: 5-micron gold plating, gold hands, alligator strap only, sold out on 2026-10-30. Prices are the French store's EUR prices as shown on the product pages, and they include VAT: the store's conditions générales de vente say prices are "toutes taxes comprises" at the VAT rate of the customer's country, and non-EU customers see ex-VAT prices only when logged in (the product pages add "Expédition et taxes calculées à la caisse"). Strap and bracelet options are recorded as prices with a configuration.
Last verified: 2026-10-30. Edit or correct this entry.
Sources
- March LA.B, Montre MANSART AUTOMATIQUE Grall Date product page accessed 2026-10-30
- March LA.B, Montre MANSART AUTOMATIQUE White Date product page accessed 2026-10-30
- March LA.B, Montre MANSART Golden Hour product page accessed 2026-10-30
- March LA.B, conditions générales de vente (prices include VAT) accessed 2026-10-30