Specifications

ManualsBrandsSeiko ManualsWatch5M62

[SPECIFICATIONS]

Cal. No.

Item

5M62A, 5M63A

Movement

(x 1.0)

Additional mechanism • Automatic generating system

• Power reserve indicator

• Energy depletion forewarning function

• Overcharge prevention function

• Electronic circuit reset switch

• Train wheel setting device

• Date calendar

• Instant setting device for date calendar

• Day calendar (for Cal. 5M63A only)

• Instant setting device for day calendar (for Cal. 5M63A only)

Driving system Step motor (Load compensated driving pulse type)

Loss/gain Monthly rate at normal temperature range: less than 15 seconds

Regulation system

Nil

Measuring gate by quartz tester Use 10-second gate.

Power

supply

Automatic generating systemPower generator

PARTS CATALOGUE / TECHNICAL GUIDE

Cal. 5M62A, 5M63A

Movement

size

Outside diameter ø27.6 mm

Casing diameter ø27.0 mm

Height 4.3 mm

Time indication 3 hands

The illustrations refer to Cal. 5M62A.

Operating voltage range 0.45 V ~ 2.2 V

Duration of charge

From full charge to stoppage: Approx. 6 months

Jewels 6 jewels

KINETIC E.S.U. Titanium lithium ion rechargeable battery

Summary of content (16 pages)

PAGE 1
PARTS CATALOGUE / TECHNICAL GUIDE Cal. 5M62A, 5M63A [SPECIFICATIONS] Cal. No. 5M62A, 5M63A Item Movement The illustrations refer to Cal. 5M62A. Movement size Outside diameter ø27.6 mm Casing diameter ø27.0 mm Height 4.3 mm (x 1.
PAGE 2
PARTS CATALOGUE Cal. 5M62A, 5M63A Disassembling procedures Figs. : 1 → 61 Reassembling procedures Figs. : 61 → 1 Lubricating: Types of oil Oil quantity Moebius A Normal quantity Moebius F SEIKO Watch Oil S-6 Silicone oil 500,000 c.s. 9 1 2 Case back 4281 500 Contact point spring (*) * The contact point spring is not assembled in models with screw-lock type crown. 5 Movement 6 Button spring clip 3 Button spring 7 Button 0022 247 • Date dial guard screw (3 pcs.
PAGE 3
PARTS CATALOGUE Cal.
PAGE 4
PARTS CATALOGUE Cal.
PAGE 5
PARTS CATALOGUE Cal. 5M62A, 5M63A Remarks: 4 Contact point spring 4281 500 The contact point spring is not assembled in models with screw-lock type crown. 11 Holding ring for dial 0866 636 The type of holding ring for dial is determined based on the design of cases. Check the case number and refer to “SEIKO Casing Parts Catalogue” to choose a corresponding holding ring for dial. 14 Day star with dial disk (Only for Cal.
PAGE 6
PARTS CATALOGUE 56 Lever for unlocking stem Cal. 5M62A, 5M63A 0397 660 The lever for unlocking stem is used only with one-piece case type models. 58 Winding stem 0351 653 The type of winding stem is determined based on the design of cases. Check the case number and refer to “SEIKO Casing Parts Catalogue” to choose a corresponding winding stem. TECHNICAL GUIDE Cal. 5M62A, 5M63A • The explanation here is only for the particular points of Cal. 5M62A and 5M63A.
PAGE 7
TECHNICAL GUIDE Cal. 5M62A, 5M63A • How to remove Insert the tip of tweezers into the gaps between the hooking portions “A”, “B” and “C” of the contact point spring and holding ring for dial, and pry up the contact point spring slowly to remove it. Hooking portion “A” • How to install 1) Push the hooking portion “A” in the direction of the arrow in the illustration at right to insert it into a gap between the main plate and holding ring for dial.
PAGE 8
TECHNICAL GUIDE Cal. 5M62A, 5M63A 30 Rechargeable battery unit Though the rechargeable battery unit for Cal. 5M6 Series is of a completely different type from the capacitor unit for Cal. 5M4 Series, they have a close resemblance in shape. They can be discriminated by the shapes of their minus lead terminals as illustrated below. When repairing the rechargeable battery unit, check the shape of its minus lead terminal to make sure you are using a rechargeable battery unit properly.
PAGE 9
TECHNICAL GUIDE 33 Cal. 5M62A, 5M63A Circuit block The circuit block for Cal. 5M6 Series and that for Cal. 5M4 Series have a close resemblance in shape. They can be discriminated in the point that the circuit block for Cal. 5M6 Series has no diode element unlike that for Cal. 5M4 Series. When repairing the circuit block, check that it has no diode element to make sure you are using the proper one. Having no diode element Diode element [ Circuit block for Cal.
PAGE 10
TECHNICAL GUIDE Cal. 5M62A, 5M63A 38 Intermediate wheel for generating rotor • Lubricating Refer to the illustration at right. Note: Be sure to observe the position, type of oil and quantity of the lubrication specified in the illustration.
PAGE 11
TECHNICAL GUIDE 45 Train wheel setting lever 53 Switch lever 54 Yoke 55 Setting lever 56 Lever for unlocking stem Cal. 5M62A, 5M63A Train wheel setting lever Setting lever • Setting position and lubricating Refer to the illustration at right. Yoke Switch lever Lever for unlocking stem (Used only with one-piece case type models) III. VALUE CHECKING AND ADJUSTMENT The procedures for value checking and adjustment explained here pertain to both Cal. 5M62A and 5M63A. ● Coil block resistance 1.
PAGE 12
TECHNICAL GUIDE Cal. 5M62A, 5M63A 2) Temporarily tighten the screw “A” in the illustration, taking care not to tighten it excessively. 3) Install the oscillating weight wheel and oscillating weight and then tighten the oscillating weight screw. Screw “A” 2. Apply the minus terminal to “a” portion of the input terminal (–) in the illustration and plus terminal to the circuit block cover, respectively. Circuit block cover “a” portion 3.
PAGE 13
TECHNICAL GUIDE Cal. 5M62A, 5M63A How to measure the current consumption for the circuit block alone 1. Connect the tester to the circuit block as shown in the illustration. “A” portion 2. With the tester connected to the circuit block, short-circuit “A” portion in the illustration and the input terminal (–) with conductive tweezers or the like for more than 3 seconds. The IC will be switched from the quick start to the normal hand movement mode. 3.
PAGE 14
TECHNICAL GUIDE Cal. 5M62A, 5M63A 3. Within 3 minutes after swinging the watch, measure the voltage of the rechargeable battery in the same manner as in step “1” above. 4. If the voltage obtained has increased more than 0.06 V from the initial voltage assuming that the initial voltage is within the range between 0.5 V and 1.0 V, the automatic generating system is operating normally. [ For your information ] 1.
PAGE 15
PAGE 16
99-11 Printed in Japan