TMI Products VH31 Technical Manual

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[SPECIFICATION]

φ23.70 mm

22.60 mm ： between 12 o'clock and 6 o'clock sides

22.60 mm ： between 　3 o'clock and 9 o'clock sides

φ23.30 mm

22.10 mm ： between 12 o'clock and 6 o'clock sides

21.40 mm ： between 　3 o'clock and 9 o'clock sides

3.45 mm

Electronic circuit reset switch

Second setting device

SR920SW (Silver oxide battery)
Battery life is approximately 2 years
Use 10-second gate
* Set the winding stem with crown at the normal position

* All specifications are subject to change without notice.

　Time indication

　 3Hands　　(hour,minute,second)

PARTS CATALOGUE / TECHNICAL GUIDE

Cal.VH31

Version-01

Cal. No.

VH31A

Item

Movement

Movement
　　　　size

Outside diameter

Casing diameter
Total height

SII Products

Driving　System

Step motor

Additional mechanism

Antimagnetic

≧1600 A/m

Accuracy

Less than ±15seconds : Monthly rate at normal temperature range

Battery

Measuring gate
by quartz tester

Jewels

2 Jewels

1

2

SII Products

MOVEMENT VARIATION

Version-01

VH31A

VH31