Seiko Cal. 7020 - 771

Seiko 7020-771

The Seiko 7020-771 represents an important milestone in Seiko's 1987 lineup. Powered by the 7020 caliber with 21j jewels beating at 36,000 bph, it delivers a 57 hours power reserve. [seikata-wm-6a9b19b57eb3]

Also known as: Silverwave, Sea Horse

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
11.2mm
Lug Width
20mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
110m
Dial Color
Burgundy
Jewels
21j
Frequency
36,000 bph
Power Reserve
57 hours
Year
1987

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