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market
Name | 3121 |
Family | Oyster |
Gender | Mens |
Movement | FHF 59 15J (Details) |
Years in Production | 1938 |
Case Diameter (mm) | 30 |
Mechanism | Manual |
Chronometer | No |
Hacking | No |
Date Function | No |
Quickset | No |
Power Reserve (Hours) | 40 |
Frequency (bph) | 18, 000 |
Jewel Count | 15 |
Shape | Round |
Hour Marks | Arabic/Stick |
Crown Position | 3 O'Clock |
Crystal Material | Acrylic |
Band Material | Stainless Steel |
Band Replaceable | Yes |
Mechanism:
Also known as the FF30. This is a Rolex modified ebauche movement made by Fontmelon (FHF). Likely only used in Rolex models for the Canadian market ca. 1935-1945
variants with sub- and sweep second signed with 59. Data
10.5''', Dm= 23.3mm, Do= 23.7mm;
H= 4.2mm;
15 jewels;
f = 18000 A/h;
power reserve 40h;
Balance staff U1317;
Stem W1110;
Mainspring / battery:
Zf1389, 1.70 x 9.0 x 0.10 x 290mm;
Hands:
1.40 x 0.70mm
Item created by: gdm
on 2018-10-12 20:24:26
Last edited by: gdm on 2018-10-12 20:25:03
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Last edited by: gdm on 2018-10-12 20:25:03
If you see errors or missing data in this entry, please feel free to log in and edit it. Anyone with a Gmail account can log in instantly.