Seiko Cal. 0780 - 509

The 0780-509 is a sought-after Quartz piece from Seiko's golden era. Powered by the 0780 caliber with 24j jewels beating at 28,800 bph, it delivers a 41 hours power reserve. [seikata-wm-764a897aeb15]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

37mm

Case Thickness

8.5mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

60m

Dial Color

Navy

Jewels

24j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1982

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