Seiko Cal. 0780 - 312

The 0780-312 is a sought-after Automatic piece from Seiko's golden era. Powered by the 0780 caliber with 20j jewels beating at 21,600 bph, it delivers a 42 hours power reserve. [seikata-wm-18e6a174d1b2]

Also known as: Shogun

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

37mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Rotating

Water Resistance

160m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

42 hours

Year

1970

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