The Type II Montgomery Marginal Minute Style Dial

17/10/2020 10:34 pm
The Type II Montgomery Marginal Minute Style Dial

 From RGM

Courtesy of RGM

This specific version is the Type II Montgomery Marginal Minute Style Dial.

I will leave it to the words of RGM themselves to describe it –

Courtesy of RGM
Henry S. Montgomery was the General Watch & Clock Inspector of the AT&SF Railroad from 1896 to 1923. Mr. Montgomery patented his first marginal minute safety dial design Type-I around 1906. RGM’s dial is inspired by the rare Type-II dial variation that was patented in 1920.
Courtesy of RGM

Here are the pertinents, straight from Mount Joy –


Dial: Glass Enamel, Grand Feu (“Great Fire”)

Hands: Blued steel in the classic Railroad style

Movement Caliber: American Made Vintage Hamilton (921 or 923) – 10 Size – Manual wind, 21 or 23 jewels,  18,000 vph. Rhodium, Circular Damaskeening.

Functions: Hour / Minute / Second 

Case: 316L Stainless Steel, 41.0 mm x 12.0 mm. Sapphire crystal front and back, 22mm lug width and water-resistant to 5-ATM.

Weight: 3.1 oz. 

Tempus Fugit

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