A. Lange & Söhne 1815 Annual Calendar

Reference 238.026 · Classic · 40 mm

Version (2 drawn)

Illustration drawn from the specifications: case to scale, colours and style approximate. Not a photo. Photos on the official page

Specifications

Reference: 238.026
Family: 1815
Category: Classic
Status: Current
Case material: 18 ct white gold, 18 ct rose gold
Case diameter: 40 mm
Case thickness: 10.1 mm Official
Lug-to-lug: 46.6 mm Third-party
Lug width: —
Water resistance: 30 m
Bezel: —
Calibre: L051.3 Official
Power reserve: 72 h
Frequency: 21,600 vph (3 Hz)

Official product page · retrieved October 20, 2026

Does it fit your wrist?

Enter your wrist circumference. The watch appears to scale on the flat top of the wrist.

Wrist circumference

Top view on a wrist, to scale

Side view, across the wrist

Comfortable

Lug-to-lug 46.6 mm on a flat top of 54.1 mm: 86 % of the width.

Lug-to-lug is 75 to 95% of the flat top, the usual comfortable range.

Measurements and sources

Brands rarely publish thickness, lug width and lug-to-lug together. Each observation below is kept separate, with who gave it.

Case thickness

Value	Type	Source	Date
10.1 mm	Official	A. Lange & Söhne Published as the case height.	October 20, 2026

Lug-to-lug

Value	Type	Source	Date
46.6 mm	Third-party	The 1916 Company Review titled "A. Lange & Sohne 1815 Annual Calendar 238.026": "measures 10.3mm in thickness and 46.6mm from lug-to-lug".	October 25, 2026

Lug width

Lug width is the gap between the lugs, where the strap fits. It is not lug-to-lug.

No source gave this figure yet.

Calibre source

Official A. Lange & Söhne · retrieved October 20, 2026

Other versions in the same case

These references share this case and differ by metal, dial, bracelet or bezel. The figures on this page apply to all of them, except where a reference shows its own thickness.

238.032 · 18 ct rose gold

Other 1815 references

Watch	Ø	Thickness	Lug-to-lug	Calibre
1815 Tourbillon 730.032	39.5 mm	11.1 mm	—	L102.1
1815 Up/Down (39 mm, pink gold) 234.032	39 mm	8.7 mm	45 mm	L051.2
1815 (calibre L051.1) 235.032	38.5 mm	8.8 mm	—	L051.1
1815 Up/Down (37.5 mm, pink gold) 244.037	37.5 mm	8.7 mm	—	L051.2
1815 (calibre L152.1) 220.037	34 mm	6.4 mm	—	L152.1
1815 Chronograph 414.026	39.5 mm	11 mm	48.4 mm	L951.5
1815 Rattrapante 425.025	41.2 mm	12.6 mm	—	L101.2
1815 Rattrapante Perpetual Calendar 421.025	41.9 mm	14.7 mm	—	L101.1

Other A. Lange & Söhne models

Watch	Ø	Thickness	Lug-to-lug	Calibre
Saxonia Moon Phase 384.026	40 mm	9.8 mm	46.8 mm	L086.5
Richard Lange Jumping Seconds 252.029	39.9 mm	10.6 mm	—	L094.1
Richard Lange "Pour le Mérite" 260.028	40.5 mm	10.7 mm	—	L044.1
Saxonia Thin (40 mm, platinum) 211.062	40 mm	6.2 mm	—	L093.1
Saxonia Thin (39 mm) 205.086	39 mm	6.2 mm	—	L093.1
Lange 1 Daymatic Honeygold 320.050	39.5 mm	10 mm	—	L021.1

Show 37 more

Watch	Ø	Thickness	Lug-to-lug	Calibre
Minute Repeater Perpetual 607.091	40.5 mm	12.1 mm	—	L122.2
Richard Lange 232.032	40.5 mm	10.5 mm	—	L041.2
Lange 1 Moon Phase 192.029	38.5 mm	10.2 mm	47 mm	L121.3
Grand Lange 1 137.033	41 mm	8.2 mm	—	L095.1
Grand Lange 1 Moon Phase 139.025	41 mm	9.5 mm	—	L095.3
Richard Lange Minute Repeater 606.079	39 mm	9.7 mm	—	L122.1
Richard Lange Tourbillon "Pour le Mérite" 760.026	41.9 mm	12.2 mm	—	L072.1
Lange 1 191.032	38.5 mm	9.8 mm	—	L121.1
Lange 1 (platinum, calibre L901.0) 101.025	38.5 mm	10 mm	—	L901.0
Langematik Perpetual 310.032	38.5 mm	10.2 mm	—	L922.1
Saxonia Outsize Date 381.031	38.5 mm	9.6 mm	—	L086.8
Lange 1 Perpetual Calendar 345.036	41.9 mm	12.1 mm	—	L021.3
Lange 1 Tourbillon Perpetual Calendar 720.032	41.9 mm	12.2 mm	—	L082.1
Lange 1 Tourbillon Perpetual Calendar “Lumen“ 720.035	41.9 mm	13 mm	—	L225.1
Zeitwerk 142.025	41.9 mm	12.2 mm	—	L043.6
Zeitwerk Honeygold “Lumen” 142.055	41.9 mm	12.6 mm	50 mm	L043.9
Little Lange 1 Moon Phase (white gold) 182.086	36.8 mm	10 mm	43.8 mm	L121.2
Saxonia Thin (37 mm, pink gold) 201.033	37 mm	5.9 mm	—	L093.1
Little Lange 1 181.063	36.8 mm	9.5 mm	—	L121.1
Little Lange 1 (platinum) 181.062	36.8 mm	10 mm	—	L121.1
Little Lange 1 Moon Phase (pink gold) 182.030	36.8 mm	9.5 mm	—	L121.2
Saxonia Annual Calendar 331.033	36 mm	9.8 mm	—	L207.1
Zeitwerk Date 148.033	44.2 mm	12.3 mm	—	L043.8
Zeitwerk Minute Repeater 147.025	44.2 mm	14.1 mm	—	L043.5
Zeitwerk Minute Repeater Honeygold 147.050	44.2 mm	14.1 mm	—	L043.5
Lange 31 130.039	45.9 mm	15.9 mm	—	L034.1
Richard Lange Perpetual Calendar "Terraluna" 180.032	45.5 mm	16.5 mm	—	L096.1
Odysseus 363.179	40.5 mm	11.1 mm	47 mm	L155.1
Odysseus Honeygold 363.150	40.5 mm	11.1 mm	—	L155.1
Datograph Perpetual 410.038	41 mm	13.5 mm	—	L952.1
Datograph Perpetual Tourbillon 740.056	41.5 mm	14.6 mm	—	L952.2
Datograph Handwerkskunst 405.048	41 mm	13.1 mm	—	L951.8
Datograph Up/Down 405.035	41 mm	13.1 mm	48.4 mm	L951.6
Datograph Perpetual Tourbillon Honeygold “Lumen” 740.055	41.5 mm	14.6 mm	—	L952.4
Lange 1 Time Zone 136.025	41.9 mm	10.9 mm	—	L141.1
Odysseus Chronograph 463.178	42.5 mm	14.2 mm	—	L156.1
Triple Split 424.025	43.2 mm	15.6 mm	—	L132.1

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