Seiko Cal. 0717 - 721

Seiko 0717-721

The Seiko 0717-721 represents an important milestone in Seiko's 1979 lineup. Powered by the 0717 caliber with 17j jewels beating at 36,000 bph, it delivers a 38 hours power reserve. [seikata-wm-9ebcd32b9200]

Also known as: Monster

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
13.3mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
90m
Dial Color
Burgundy
Jewels
17j
Frequency
36,000 bph
Power Reserve
38 hours
Year
1979

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seikata-wm-9ebcd32b9200