Elgin Grade 377 Parts

Arbors

	Part	Factory Part Number
	Arbors: Barrel	2053
	Arbors: Pallet	2312
	Arbors: Winding	1775

Cams

	Part	Factory Part Number
	Cams: Setting	1787
	Cams: Setting Spring	1790

Clamps

	Part	Factory Part Number
	Clamps: Minute Wheel	2672
	Clamps: Setting Wheel	2672

Clutches

	Part	Factory Part Number
	Clutches: Wind and Setting	1809

Collets

	Part	Factory Part Number
	Collets: Hair Spring	359

Hands

	Part	Factory Part Number
	Hands: Hour and Minute	0s
	Hands: Second	0s

Jewels

	Part	Factory Part Number
	Jewels: Balance: Cap: Lower	1356
	Jewels: Balance: Cap: Upper	2194
	Jewels: Balance: Hole: Lower	455
	Jewels: Balance: Hole: Upper	455
	Jewels: Escape: Hole: Lower	1384
	Jewels: Escape: Hole: Upper	1378
	Jewels: Fourth: Lower	1406
	Jewels: Fourth: Upper	1400
	Jewels: Pallet Jewel	558
	Jewels: Pallet: Hole: Lower	2254
	Jewels: Pallet: Hole: Upper	1419
	Jewels: Roller Jewel	571	Combination Roller
	Jewels: Third: Lower	1439
	Jewels: Third: Upper	1433

Levers

	Part	Factory Part Number
	Levers: Clutch	1828
	Levers: Setting	1833

Nuts

	Part	Factory Part Number
	Nuts: Regulator	1549
	Nuts: Regulator Nut and Screw	1551

Pallets

	Part	Factory Part Number
	Pallets: And Fork With Stones	2681
	Pallets: Fork and Arbor with Stones	2690

Pinions

	Part	Factory Part Number
	Pinions: Bevel	1853
	Pinions: Cannon	650
	Pinions: Cannon	2935
	Pinions: Center	2055
	Pinions: Escape	1868
	Pinions: Fourth	1873
	Pinions: Third	1880

Rollers

	Part	Factory Part Number
	Rollers: Combination: With Pin	2698
	Rollers: Combination: Without Pin	2652

Screws

	Part	Factory Part Number
	Screws: Balance	2728
	Screws: Banking	2833
	Screws: Bridge: Barrel	2012
	Screws: Bridge: Pallet	2013
	Screws: Cam Setting Spring	2014
	Screws: Case	1595
	Screws: Clamp: Minute Wheel	2018
	Screws: Clamp: Setting Wheel	2018
	Screws: Click	2016
	Screws: Cock: Balance	2012
	Screws: Dial Foot	2822
	Screws: Index	2011
	Screws: Jewel: Balance: Lower	2020
	Screws: Jewel: Balance: Upper	2020
	Screws: Jewel: Escape: Upper	2020
	Screws: Jewel: Fourth: Upper	2020
	Screws: Jewel: Third: Upper	2020
	Screws: Lever: Clutch	2439
	Screws: Lever: Setting	2015
	Screws: Main	2010
	Screws: Plate Top	2012
	Screws: Spring: Click	2021
	Screws: Spring: Setting	2014
	Screws: Stud Hair Spring	1621
	Screws: Wheel: Ratchet	2613

Sleeves

	Part	Factory Part Number
	Sleeves: Arbor Winding	1914

Springs

	Part	Factory Part Number
	Springs: Click	1898
	Springs: Hairspring	807	Strength: 3
	Springs: Mainspring	2097	Strength: .00575
	Springs: Setting	1910

Staff

	Part	Factory Part Number
	Staff: Balance	869	note: See notes on Balance Staffs in Special Information Section.
	Staff: Center	2056
	Staff: Center	2946

Studs

	Part	Factory Part Number
	Studs: Hair Spring	853

Uncategorized

	Part	Factory Part Number
	Balance	1724
	Balance Complete	4112
	Band Dust	1883
	Barrel	2132
	Click	1804	Finish: A-17
	Dial	0s
	Index	1825
	Regulator	4018

Washers

	Part	Factory Part Number
	Washers: Main Screw	1921	Finish: A-9
	Washers: Staff Center	1556

Wheels

	Part	Factory Part Number
	Wheels: Center	1918
	Wheels: Center Complete	2082
	Wheels: Center Complete	2960
	Wheels: Escape	993	note: Two diameters of escape wheels have been made in 18, 16, and 6 sizes. The larger being known as New Style (N.S.) which will be supplied unless Old Style (O.S.) is ordered.
	Wheels: Escape and Pinion	1979	note: Two diameters of escape wheels have been made in 18, 16, and 6 sizes. The larger being known as New Style (N.S.) which will be supplied unless Old Style (O.S.) is ordered.
	Wheels: Fourth	1021
	Wheels: Fourth and Pinion	1986
	Wheels: Hour	1045
	Wheels: Hour	2961
	Wheels: Main	1943	Finish: A-14
	Wheels: Minute	1063
	Wheels: Ratchet	2058	Finish: A-15
	Wheels: Setting	1940
	Wheels: Third	1088
	Wheels: Third and Pinion	1991