Seiko Cal. 0721 - 717

Seiko 0721-717

The 0721-717 is a sought-after Spring Drive piece from Seiko's golden era. It features a Burgundy dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-7f3f125b45c5]

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
43mm
Case Thickness
13.9mm
Lug Width
21mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
70m
Dial Color
Burgundy
Jewels
29j
Frequency
21,600 bph
Power Reserve
47 hours
Year
1989

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