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Record 651
Manual · 11.5‴ · Switzerland · 1970
Also known as: Longines 701
Dimensions
26 mm
Height
4.00mm
Jewels
17
Power reserve
37h
Timegrapher
Beat rate
19,800bph
Frequency
2.75Hz
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Movement
| Movement type |
Manual
Purely mechanical movements wound by hand via the crown, which tensions the mainspring to store energy. As the spring unwinds, it drives the gear train at a controlled rate set by the escapement and balance. Typical power reserves range from 38 to 80 hours, requiring daily or near-daily winding to keep the watch running.
|
|---|---|
| Winding type |
Stem Winding (Crown)
Winding the mainspring by turning the crown attached to the stem, transmitting torque through the winding pinion. Patented by Adrien Philippe in 1842, it replaced key winding and remains the standard manual winding method for both pocket watches and wristwatches.
|
| Setting type |
Stem Set (Crown Pull)
The dominant modern system: pulling the crown out to a setting position engages the hand-setting mechanism. Introduced in the late 19th century and refined into multi-position crowns (date, time, GMT). Used in virtually all modern wristwatches and most 20th-century pocket watches.
|
| Escapement type |
Swiss Lever
The undisputed standard of modern mechanical watchmaking. Through an elegant interplay between escape wheel, pallet fork, and balance, it delivers reliable impulses with the safety of 'draw' to keep the lever locked. Refined since the 18th century, it powers almost every quality mechanical wristwatch made today.
|
| Control type |
Balance Wheel
The heart of mechanical timepieces, the balance wheel is an oscillating component that, together with the hairspring, forms a harmonic oscillator regulating the gear train's pace. Its steady back-and-forth motion ensures the even release of energy from the mainspring, governing the watch's accuracy.
|
| Regulator type |
Pinned Regulator (or Index Regulator)
The most traditional regulator, consisting of a movable index pointer fitted with two curb pins (or a pin and a boot) that embrace the hairspring. Sliding the index along its scale changes the spring's active length, adjusting the rate. Simple, reliable, and easy to service, it remains the workhorse standard across countless mechanical movements.
|
| Shock protection |
KIF
A family of Swiss shock protection systems (Trior, Flector, Elastor, Duofix, Protechoc) produced by Parechoc SA, the main competitor to Incabloc. Uses a multi-point elastic spring design (typically three points in the Trior version) that excels in thinner calibres. Long favoured by Rolex (Duofix), Patek Philippe, and Audemars Piguet before each developed proprietary systems.
|
Specifications
| Lignes | 11.5‴ |
|---|---|
| Shape |
Round
It is the most common form that we can find.
|
| Complications |
Sweep Second
Contrary to the ticking motion of quartz watches, the sweep second hand in mechanical watches moves smoothly around the dial, offering a visual representation of time flowing continuously. This has become synonymous with the precision and craft of mechanical horology.
,
Date
An essential for many, the date display reminds wearers of their daily commitments, connecting the abstract concept of time to tangible daily events.
|
| Hand count | 3 |
| Hand sizes | 1.50 x 0.90 x 0.25mm |
| Further measures | Mounting Diameter (Dm): 25.6mm Stem height (T): 2.05mm Mounting Height (F): 1.25mm |
Origin & References
| Manufacturer | Record Watch Co. |
|---|---|
| Base caliber | Longines 701 |
| Country | Switzerland |
| Launch year | 1970 |
| COSC certified | No |
| Signature | ca. 1970: Record Watch Co, Swiss Made, 17 Jewels; Kif-Flector |
Notes
Remarks: strange: Placing minute wheel and pinion under the balance allows a relatively big balance.
Most movement registers are too old to contain this movement line. Only Boley and Flume mention single variants, unfortunately without complete data. As Boley specifies the same staffs and stems for Longines and Record, both are listed here respectively.
These movements were likely designed by Record around 1970, and also applied by Longines. Below only variants known from lists or real watches are listed.
Other data: balance staff: U3343 (Longines: U3313) stem: W3279 (Longines: W3263)
Most movement registers are too old to contain this movement line. Only Boley and Flume mention single variants, unfortunately without complete data. As Boley specifies the same staffs and stems for Longines and Record, both are listed here respectively.
These movements were likely designed by Record around 1970, and also applied by Longines. Below only variants known from lists or real watches are listed.
Other data: balance staff: U3343 (Longines: U3313) stem: W3279 (Longines: W3263)
Family
Series Record 650 - Longines 708
19800 A/h:
Record 650: sweep second
Record 651, Longines 701: sweep second, date
Record 660: sub second
21600 A/h:
Longines 706: sweep second
Longines 708: features unknown
Record 650: sweep second
Record 651, Longines 701: sweep second, date
Record 660: sub second
21600 A/h:
Longines 706: sweep second
Longines 708: features unknown
Related calibers
Record 650
Record 651
Record 660