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Terra Nova Jumping Hour
Watches · Bremont

Terra Nova Jumping Hour

Ref. TN38-JH-SS-CC-B · In the case
The Bremont Terra Nova Jumping Hour in 904L stainless steel brings a distinctive mechanical complication to a compact 38mm cushion-shaped field watch. Its brushed and polished case houses the exclusive BC634 Jumping Hour calibre, delivering an instantaneous hour change through clean linear apertures. A compass-inspired seconds hand and choice of steel bracelet or brown nubuck strap complete this refined expression of Bremont’s spirit of exploration.
Price on requestSpoken for in person · service for life
  • Manufacture CalibreBC634AH
  • IndependentFounded 2002
  • DialSteel
  • StrapBracelet
  • Service for lifeThrough Palladio, in person
Why we carry it

A compact field watch with an uncommon complication.

The Terra Nova Jumping Hour combines a refined 38mm 904L steel cushion case with Bremont’s exclusive BC634 Jumping Hour calibre for a precise, instantaneous hour change.

We carry it for its distinctive linear time display, exploration-inspired details and compact, versatile proportions.

For clients who value mechanical ingenuity in a wearable everyday format, it is Bremont’s Terra Nova at its most distinctive.

The movement · BC634AH

A jumping-hour calibre engineered for precision.

The BC634AH is an exclusive automatic calibre developed in partnership with Sellita for Bremont’s Terra Nova Jumping Hour. Its high-torque architecture delivers an instantaneous hour change in under a tenth of a second, while the central seconds hand provides continuous timekeeping.

Servicing is handled through Bremont’s authorised service network, with specialist care to maintain the calibre’s precision and long-term reliability.

Calibre
BC634AH
Type
Automatic
Frequency
28,800bph (4Hz)
Power reserve
56 hours
Specifications

The watch, by the number.

The case

Diameter
38 mm
Thickness
9.1 mm
Lug width
20 mm
Material
904L stainless steel
Finishing
Satin and polished
Crystal
Three individual sapphire crystals on the hour, minute, and second window openings
Case back
Decorated stainless steel case back

The Dial & Functions

Colour
Steel
Material
Stainless Steel
Pattern
Closed-case design displaying three windows for hour, minute, and seconds
Indices
Brown printed numerals on hour and minute discs
Hands
Compass design black running small seconds hand
Seconds
NA
Functions
Hour window at 12 O'clock Minute window at 6 O'clock Central running small seconds window

Bracelet & Water Resistance

Bracelet
Quick-release 904L stainless steel bracelet
Clasp
Butterfly clasp
Crown
Screw-down oversized crown with Wayfinder logo
Water Resistance
3 ATM, 30 metres
For the life of the watch

A relationship, not a transaction.

Every watch we sell stays close to us. We organise servicing, source straps, and answer the telephone ourselves — for as long as the watch is yours, and the wrist after that.

i.
Service, organised through us

When the time comes, we arrange the full service through Bremont and handle the shipping both ways.

ii.
Straps & bracelets, for life

Replacement straps and bracelets at cost, in any material the manufacture offers, fitted in person at the bench.

iii.
One person, not a call centre

You speak to Jason — for a warranty question, a service interval, or simply a second opinion — for as long as you own the watch.

Begin a viewing

Hold it once. Turn it over.

A watch makes more sense in the hand than on a screen — particularly through the sapphire back. Book a viewing at 900 West Hastings St., Vancouver and we will put a loupe in your hand.

Begin a viewing