Seiko Cal. 7018 - 721

Seiko 7018-721

The Seiko 7018-721 represents an important milestone in Seiko's 1980 lineup. Powered by the 7018 caliber with 21j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-e0368aa83960]

Also known as: Tuna, Rally

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
38mm
Case Thickness
15.4mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
160m
Dial Color
Green
Jewels
21j
Frequency
28,800 bph
Power Reserve
57 hours
Year
1980

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