Seiko Cal. 0780 - 520

Seiko 0780-520

The Seiko 0780-520 represents an important milestone in Seiko's 1973 lineup. Powered by the 0780 caliber with 22j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-a2c485c8a32e]

Also known as: Helmet, Navigator

Specifications

Movement
Quartz
Case Material
Two-Tone
Case Width
38mm
Case Thickness
15.1mm
Lug Width
19mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Black
Jewels
22j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1973

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