Seiko M705 Movement Details

Seiko caliber M705 is a digital watch movement. Production started around 1991.
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Sub-brands: Scubamaster
Battery:CR2025 / (Lithium)
Accuracy:±15 seconds/month
Day / date?Day + date
GMT / world time?No
Chronograph?No
Alarm?Yes
Size / diameter:34.2mm
Height:6.48mm
Notes:Has a depth gauge up to 80m and data log for diving.
PDF guides: Battery replacement guide : M705A
Technical guide