Seiko Cal. 0780 - 360

The Seiko 0780-360 represents an important milestone in Seiko's 1973 lineup. Powered by the 0780 caliber with 22j jewels beating at 21,600 bph, it delivers a 69 hours power reserve. [seikata-wm-8d42605af12a]

Also known as: Tuna, Helmet

Specifications

Movement

Solar

Case Material

Titanium

Case Width

41mm

Case Thickness

10.1mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

190m

Dial Color

Silver

Jewels

22j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1973

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