Gruen 271SS

Jewels: 17

Power Reserve: 50 hrs

Frequency: 18000 vph

Type: Manual Wind

Period used: 1944-1946

Size: 17.55 x 24.9 mm

Height: 3.75 mm

Hands: 1.12 x 0.64 / 0.20 mm

Buy this movement

The Gruen 271SS is a manual wind watch movement produced between 1944 and 1946, with a total of 306,000 units manufactured during that period (model 3). It features a Breguet hairspring and includes a sub-second function.

The Gruen 271SS features the following functions:

Manual Winding
Sub Second

Balance Staff Listing

Ronda Reference #	Shock System	Buy
721	Ordinary/None	Buy staff
4301	Ordinary/None	Buy staff

Mainspring Listing

Dimensions	GR Reference #	End Type	Buy

Incabloc Part Listing

Block # (Top/Bottom)	Cap Jewel # (Top/Bottom)	Spring # (Top/Bottom)

KIF Part Listing

Block # (Top/Bottom)	Cap Jewel # (Top/Bottom)	Spring # (Top/Bottom)

Documents

Parts Listing

Part Description	Reference #	Alternate	Buy
CANNON PINION 2.75 CURVED DIAL	5348/ELG	151-554/ELG	Buy part
CROWN WHEEL	288-571		Buy part
ESCAPE WHEEL COMPLETE	5911/ELG	283-558/ELG	Buy part
FOURTH WHEEL	5559/ELG	284-557/ELG	Buy part
JEWEL, LFT PALLET STONE	5904/ELG		Buy part
JEWEL, LOWER CENTER HOLE	5531/ELG	71-558/ELG	Buy part
JEWEL, RT PALLET STONE	5903/ELG	131R/ELG 558	Buy part
JEWEL, UPPER CENTER HOLE	5530/ELG	69-558/ELG	Buy part
MAINSPRING 15/0		258-557/ELG .0034	Buy part
MAINSPRING 15/0		6003/ELG .0036	Buy part
MAINSPRING 4-11-12 DBH	MS-JA126	GR 3284-DBH	Buy part
MAINSPRING, 1.30X.11X320 DBH		GR 3284-DBH	Buy part
MAINSPRING, 15/0		258-557/ELG .0038	Buy part
PALLET FORK AND ARBOR	5905/ELG	141-558/ELG	Buy part
PINION, CANNON FLAT DIAL	5540/ELG		Buy part
SCREW, SET LEVER	5682/ELG	227-557/ELG	Buy part
SETTING LEVER	5260/ELG	5260/ELG	Buy part
STAFF, 15/0S	22BB/24	5551/ELG P7.5	Buy part
STAFF, 1PC D/R P 7.5	5551/ELG	264-557/ELG	Buy part
WINDING ARBOR TAP 9	5522/ELG	5522/ELG	Buy part

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