Seiko Cal. 7020 - 577

Seiko 7020-577

The Seiko 7020-577 represents an important milestone in Seiko's 1968 lineup. With its 21mm lug width and 10.1mm profile, it sits comfortably on most wrists. [seikata-wm-0872da2c12a3]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
10.1mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
170m
Dial Color
Silver
Jewels
23j
Frequency
21,600 bph
Power Reserve
63 hours
Year
1968

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