Seiko Cal. 0717 - 743

Seiko 0717-743

The 0717-743 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 0717 caliber with 23j jewels beating at 36,000 bph, it delivers a 54 hours power reserve. [seikata-wm-8847d133e7f3]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
44mm
Case Thickness
9.3mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
140m
Dial Color
Green
Jewels
23j
Frequency
36,000 bph
Power Reserve
54 hours
Year
1967

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seikata-wm-8847d133e7f3