Technical Archive

Glashütte Original
Senator 1-36-02-01-02-70— lug 21mm

Glashütte Original Senator 1-36-02-01-02-70: 21mm strap. Alligator, box calf, shell cordovan and rubber, cut and stitched in Milano. Choose your leather.

Senator Excellence Perpetual Calendar Stainless Steel / Silver / Bracelet

Artisanal Note

"This model requires a precise 21mm lug width to preserve the original sartorial balance."

Technical Specifications

Glashütte Original 1-36-02-01-02-70
Lug Width
21 mm

The essential strap measurement.

Browse 21mm straps →
Reference

1-36-02-01-02-70

Movement

Glashütte Original caliber 36-02 Hours, Minutes, Seconds | Big Date, Day, Leap Year, Month, Perpetual Calendar | Moonphase

The Heritage

The Glashütte Original Senator 1-36-02-01-02-70 is a 42mm stainless steel watch from the Saxon watchmaking tradition, featuring the sophisticated caliber 36-02 manual movement. This timepiece integrates a complete perpetual calendar with date, day, month, year with leap year indication, and moonphase accurate until 2100. The watch requires a specific 21mm lug width, positioning it between classic dress watches and robust tool watches, with a sapphire caseback revealing the three-quarter plate movement finished to Saxon manufacturing standards.

FAQ

What is the lug width of the Glashütte Original Senator 1-36-02-01-02-70?

The lug width of the Glashütte Original Senator 1-36-02-01-02-70 is 21mm. This specific dimension requires straps with 21mm lug compatibility. Using 20mm or 22mm straps will not fit properly on the stainless steel case lugs.

What is the best strap for the Glashütte Original Senator 1-36-02-01-02-70?

The optimal choice depends on intended use: for formal occasions, a dark brown alligator or vegetable-tanned calf in black or grey accentuates the elegant perpetual calendar complication. For daily wear, shell cordovan offers superior durability and develops a noble patina. A slate-blue NATO preserves the Saxonian design even in sporty contexts. All must be 21mm to ensure proper fitment to the lugs.

How do you change the strap on a Glashütte Original Senator 1-36-02-01-02-70?

Remove the spring bars (or fixed pins) securing the strap to the lugs using a dedicated strap-changing tool to avoid case scratching. Place the watch on a soft surface, lift one pin from its lug, slide the new 21mm strap into position, and reinsert the pin carefully. Precision is essential, as the clearances are tight and improper handling risks damage to the case.

Which aftermarket straps are compatible with the Glashütte Original Senator 1-36-02-01-02-70?

Any high-quality strap with 21mm lug width is compatible, including leather, fabric, and rubber options. Artisanal straps in alligator, vegetable-tanned calf, shell cordovan, or FKM rubber are strongly recommended. Always verify that the spring bar or pin system matches the watch's attachment mechanism (typically straight pins for the Senator). Steel deployant buckles provide secure, refined fastening without compromise.

How long does a leather strap last on a Glashütte Original Senator 1-36-02-01-02-70?

A quality artisanal strap in calf or shell cordovan lasts 3 to 7 years with daily wear, depending on tannage method and humidity exposure. Vegetable-tanned leather ages beautifully, developing character; shell cordovan resists longer whilst maintaining shape. Longevity also depends on maintenance: minimise excessive moisture and dirt. Replace when the strap loses elasticity or displays cracks.