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Use Code: MISSION25

Automatic full-calendar chronograph keeping seasonal measurements of the day, date, month, and moonphase. Encased in hand-polished stainless steel equipped with your choice of leather strap. Featuring a salmon-toned guilloché dial with platinum hands. A sapphire crystal exhibition-back reveals the Swiss-Made 7751 caliber, regulated and decorated by Towson Watchmakers in Maryland, USA. Limited to 100 timepieces by Hartwig Balke.


Functions Full-Calendar Chronograph

Calibration 46hr power-reserve, 25 jewels, chronometer-grade, adjusted to five positions

Remastered by Hartwig Balke to achieve chronometer-grade accuracy. Featuring a quickset crown and day-correcting pusher to ease operation of the complication-set. Each movement was built through 2021 - 2022 by Towson watchmakers.


Hour/Minute central hands

24-Hour hand on left sub-dial

Sweep-Second at 9:00/left sub-dial

Chronograph Counters

Seconds central hand with stop/start pushers

Minutes small hand at 12-o'clock counting to 30-minutes

Hours small hand at 6-o'clock counting to 12-hours

Moon-Phase window located at 6-o'clock


Day window at 12 o'clock with correcting-pusher on the case

Date 31-day calendar located on the outer portion with central hand (moon-crescent tip)

Month window located at 12-o'clock


Material stainless steel

Dimensions 44 x 40mm diameter, 13.4mm height, 20mm lug width

Finish satin mid-section, high-polish bezel, satin lugs

Start/Stop Pushers free-standing, oval shape, high-polish

Crown push-pull, quickset

Depth Rating 5 ATM

Crystal domed sapphire, scratch-resistant, anti-reflex coating

Case-Back exhibition display, sapphire crystal, screw-down, engraved with company and customer information

Special Features day-corrector drilled into the case for easy setting of the day window

Screw-pile lighthouses function today as sentinels of maritime history & industrial prowess in the Chesapeake Region. For centuries, they have helped guide schooners through the Choptank River at night. Their signature beacon-style inspired the Choptank's proprietary case-design.


Series One - Copper Edition
Limited to 100 copper dials

Reference No. E250 and serial No. 001 - 100 engraved on the case-back.

Designed and assembled by Hartwig Balke. Manufactured in collaboration with our partners in Pforzheim, Germany.

Retired once sold-out.

$ 3,650.00 USD
$ 3,650.00 USD

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