Vintage 1940's Bulova 7AK Sub Second Dial Rectangular Mechanical Watch Parts/Repair Only (In Working Condition). Selling as Parts/Repair Only

• In working condition, probably needs service/cleaning, Can't guarantee accuracy.

• Dial appears to be in decent condition.

• No returns/refunds, selling As Is for parts/repair Only

Features

manual wind

sub second

Data

7.75 x 11''', Dm= 17.55 x 25.0mm

Do= 17.55 x 25.4mm

H= 3.55mm

(cover plate +0.8mm)

F= 0.6mm

T= 1.6mm

21 jewels

f = 18000 A/h

power reserve 47h

Balance staff U1784

Stem W3148

Mainspring / battery

Zf873, 1.30 x 10.0 x 0.11 x 320mm

Hands

1.25 x 0.60 / 0.22mm

http://www.ranfft.de/cgi-bin/bidfun-db.cgi?11&ranfft&0&2uswk&Bulova_7AK&

Manufacturer: ETA

Caliber: 735

Size: 7 3/4 x 11'''

A/h: 18000

Number of jewels: 15

Escapement: Pallet lever

Balance types: Nickel screw balance

Shock protection(s): none

Balance bearing / direction hairspring: Clockwise

Moveable stud: no

Adjust mechanism: Long regulator arm

Construction:

lever

escape wheel

seconds wheel, third wheel, center minute wheel

mainspring barrel

Winding mechanism: yoke winding system

Setting lever spring: 2 hole(s)

Features:

s (decentral seconds)

References: Flume: 1947 31

https://17jewels.info/movements/e/eta/eta-735/