Seiko Cal. 0717 - 991

Seiko 0717-991

The 0717-991 is a sought-after Solar piece from Seiko's golden era. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-6c72a18450f9]

Also known as: Tuna, Arnie

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.7mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
27j
Frequency
21,600 bph
Power Reserve
72 hours
Year
1996

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seikata-wm-6c72a18450f9