PIONEER Mk I black, 40 mm
incl. VAT
on a steel bracelet
Delivery time: 5-6 days
Purchases USA/CanadaSize guide for straps
To determine your strap length, you can either measure your wrist circumference and determine your strap length in the table or use our templates, which you can download below.
Please find our templates for download here:
Instructions: Print out the document and make sure that no page scaling is preset. Cut out the template along the red dotted line. Place the watch on your wrist and pull the strap through the cut slit. Make sure that the template is not too tight on your wrist and that you have a little space between your fingers. Please note that leather underlays result in a longer strap length.
Strap lengths:
PIONEER/417 ES: S = (10,5 / 6,5 cm) M = (11,5 / 7,5 cm) L = (12,5 / 9,0 cm)
PRIMUS: S = (9,5/7,5 cm) M = (10,5/8,5 cm) L = (12,0/10,0 cm)
Racemaster: S= (10,4/6,4 cm) M= (11,4/7,4 cm) L= (12,4/8,4 cm)
| Model | Lug width | Wrist circumference S-strap | Wrist circumference M-strap | Wrist circumference L-strap |
| General recommendation, regardless of model and strap | - | 13.0 cm - 16.0 cm | 16.5 cm - 18.5 cm | 19.0 cm - 22.0 cm |
| PIONEER Silva | 20 mm | - | 15.0 cm - 21.0 cm | 18.0 cm - 23.5 cm |
| 417 ES 1954 (with Bund strap) | 20 mm | - | 14.0 cm - 20.0 cm | 17.0 cm - 22.0 cm |
| PIONEER Mk I, Mk II, TachyTele, Preventor9 | 20 mm | 13.0 cm - 17.0 cm | 14.0 cm - 20.5 cm | 17.0 cm - 22.5 cm |
| Preventor HD12™ | 20 mm | - | 14.0 cm - 20.0 cm | 17.0 cm - 22.0 cm |
| 417 ES (with Bund strap) | 21 mm | - | 14.0 cm - 20.0 cm | 18.0 cm - 23.0 cm |
| PIONEER TwinControl, MonoControl | 21 mm | 13.0 cm - 19.0 cm | 15.5 cm - 21.5 cm | 19.0 cm - 23.5 cm |
| PIONEER One | 21 mm | 13.0 cm - 19.0 cm | 15.5 cm - 20.5 cm | 18.0 cm - 23.5 cm |
| PIONEER TwinDicator, MonoScope | 23 mm | 13.0 cm - 19.0 cm | 15.5 cm - 21.5 cm | 18.0 cm - 24.0 cm |
| RACEMASTER | 23 mm | 13.0 cm - 18.0 cm | 16.5 cm - 21.5 cm | 18.5 cm - 23.5 cm |
| PRIMUS leather | 24 mm | 13.0 cm - 17.5 cm | 16.0 cm - 20.0 cm | 18.0 cm - 22.5 cm |
| PRIMUS rubber | 24 mm | - | 14.0 cm - 18.5 cm | 17.5 cm - 21.5 cm |
| PRIMUS textile | 24 mm | - | 14.5 cm - 19.5 cm | 17.5 cm - 21.5 cm |
Description
HIGHLY FUNCTIONAL PRECISION CHRONOGRAPH
PIONEER Mk I
Hanhart was a pioneer in the field of reliable, highly functional precision chronographs. In 1938, the company designed the single-pusher with its own ‘Calibre 40’ for naval officers. Just one year later, the first pilot's chronographs followed with the ‘Calibre 41’ - a switch-wheel movement with flyback function. When the Swiss-German watch brand reissued faithful replicas of these legendary chronographs in the 1990s, it built on its long tradition and high level of expertise. In 2012, Hanhart presented the Pioneer Mk I, Mk II and TachyTele models with elegant antique white dials.
SINGLE-BUTTON CHRONOGRAPH
SPECIAL FUNCTION
The Pioneer Mk I is a replica of the first precision chronograph made by Hanhart in 1938. With this unusual single pusher, all chronograph functions - start, stop and zero setting - are performed by a single pusher and always run in strict sequence. Unlike its two-pusher counterpart, the chronograph second hand cannot be kept running after it has been stopped; the next time it is pressed, it inevitably jumps back to its starting point. For this reason, the caliber used for the Mk I had to be slightly redesigned. The lever, which is located directly below the pusher that is normally positioned at 4 o'clock, has no function. The third stroke on the chronograph cam is thus performed by the large gearshift. For this purpose, this cam is modified at Hanhart so that an additional prong runs along its lowest level. This allows the gearshift to control not two, but three positions
WATERPROOF UP TO 10 BAR
ROBUST CASING
To ensure the best water resistance and robustness, it is equipped with a closed, screwed case back like its predecessors, which guarantees the watch a water resistance of up to 10 bar
QUALITY LEATHER OR STAINLESS STEEL
COMFORTABLE TO WEAR
The PIONEER Mk I is comfortable to wear from day one thanks to the strap made of sturdy, hard-wearing calfskin. A high-quality pin buckle ensures that the watch is held securely in place.
VINTAGE CHARACTER
THE PERFECT EVERYDAY COMPANION
The PIONEER Mk I measures 40 mm in diameter and 15 mm in height. The typical Hanhart leather strap with stainless steel rivets emphasizes the vintage character of this watch and ensures a pleasant feel on the wrist. It is the perfect everyday companion, whether for work or leisure. The historical character has been combined with the modern Hanhart logo to perfectly complement the PIONEER collection.
Technical data
CASE
DIMENSIONS
- Diameter 40 mm
- Height 15 mm
MATERIAL
- Stainless steel
BEZEL
- Fluted bezel with red marking
- Large crown and red pusher
GLASS
- Convex sapphire crystal with anti-reflective coating on both sides
CASE BACK
- Screwed case back
WATER RESISTANCE
- Water-resistant up to 10 bar/10 ATM in accordance with DIN 8310
MOVEMENT
CALIBER
- Automatic chronograph movement HAN3601
- Base: ETA7753
- Single lever handle conversion
- 28,800 A/h, 4 Hz, 27 jewels
POWER RESERVE
- 42 hours after full winding
FUNCTIONS
- Small second
- 30-minute counter
DIAL
DIAL
- Black
NUMBERS
- Super-LumiNova® coated
HANDS
- Super-LumiNova® coated
STRAP
STRAP
- Steel bracelet
- Lug width 20 mm
COLORS
- Stainless steel
BUCKLE
- Folding clasp
Frequently bought together
PIONEER Mk I, Mk II, TachyTele, Preventor9 Calfskin strap black, 20 mm
incl. VAT
Delivery time: 5-6 days
PIONEER/417 ES butterfly folding clasp for a leather strap, stainless steel
incl. VAT
Delivery time: 5-6 days
