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Zodiac 74
Automatic · 11.5‴ · Switzerland · 1965
Dimensions
26 mm
Height
—
Jewels
21
Power reserve
40h
Timegrapher
Beat rate
21,600bph
Frequency
3Hz
Reference: healthy amplitude ≈ 270–315° fully wound (>200° at 24 h); beat error ideally < 0.5 ms.
Movement
| Movement type |
Automatic
Mechanical movements fitted with an oscillating rotor that winds the mainspring through the wearer's natural motion. Invented by Abraham-Louis Perrelet around 1777 for pocket watches and adapted to the wristwatch by John Harwood in 1923, it combines traditional craftsmanship with everyday convenience.
|
|---|---|
| Winding type |
Automatic (Rotor-Driven)
Self-winding via a rotor whose motion winds the mainspring through a transmission gear train. The specific rotor configuration (central, micro, peripheral, bumper) is catalogued separately under Rotor Type. Standard on the vast majority of mechanical wristwatches since the mid-20th century.
|
| 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.
|
| Rotor type |
Central Rotor
The most common automatic winding rotor, mounted on the central axis of the movement and rotating a full 360°. Industrialized by Rolex with the Perpetual system in 1931 and refined throughout the 20th century, it offers excellent winding efficiency and remains the de facto standard for automatic wristwatches, whether winding in one or both directions.
|
| Shock protection |
Incabloc
The most famous and widely used shock protection system in horology. Invented in 1934 by Georges Braunschweig and Fritz Marti at Universal Escapements (La Chaux-de-Fonds), it employs a lyre-shaped spring holding the jewel setting, allowing it to shift under impact and return to position. Adopted by countless Swiss makers across the 20th century.
|
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.
,
Month
Navigating longer timeframes, the month display aids in forward planning, ensuring wearers are attuned to the broader passage of time.
,
Moon Phase
This artistic complication connects wearers to celestial rhythms. Depicting the lunar cycle, it's both a technical marvel and an aesthetic feature, bridging earthly timekeeping with cosmic patterns.
|
| Hand count | 4 |
| Hand sizes | ? x 1.50 x 0.90 x 0.21mm |
| Further measures | Mounting Diameter (Dm): 25.6mm |
Origin & References
| Manufacturer | Zodiac |
|---|---|
| Country | Switzerland |
| Launch year | 1965 |
| COSC certified | No |
| Signature | ca. 1965: 70-72, Zodiac Ltd., Swiss, 21 Jewels; Incabloc
(Zodiac 72) |
| US import codes |
Notes
Remarks: regulation gear
The family is based on the manual wind calibre AS 1687/1688.
The automatic mechanism is a joint development of Doxa, Eberhard, Favre-Leuba, Girard-Perregaux, and Zodiac.
Other data: balance staff: U2839 stem: W2837 mainspring / battery: 1.10 x 10.0 x 0.11mm
The family is based on the manual wind calibre AS 1687/1688.
The automatic mechanism is a joint development of Doxa, Eberhard, Favre-Leuba, Girard-Perregaux, and Zodiac.
Other data: balance staff: U2839 stem: W2837 mainspring / battery: 1.10 x 10.0 x 0.11mm
Family
Series 61 - suffix D
21600 A/h:
61: manual wind
68: manual wind, date
70: automatic
72: automatic, date
74: automatic, calendar
75: automatic, 24h display, date
76: automatic, day, date
36000 A/h:
78: automatic, date
86: automatic, day, quickset date
88: automatic, quickset date
suffix A: enhanced precision regulator
suffix B: quickset date
suffix D: high hand fittings for Astrographic models (mysterious display)
only know variants listed
61: manual wind
68: manual wind, date
70: automatic
72: automatic, date
74: automatic, calendar
75: automatic, 24h display, date
76: automatic, day, date
36000 A/h:
78: automatic, date
86: automatic, day, quickset date
88: automatic, quickset date
suffix A: enhanced precision regulator
suffix B: quickset date
suffix D: high hand fittings for Astrographic models (mysterious display)
only know variants listed
Related calibers
Zodiac 61
Zodiac 61A
Zodiac 68
Zodiac 68A
Zodiac 70
Zodiac 72
Zodiac 72B
Zodiac 74
Zodiac 75
Zodiac 75B
Zodiac 76
Zodiac 76B
Zodiac 78
Zodiac 86
Zodiac 88
Zodiac 88D
Compatible Parts
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