Seiko Cal. 4578 - 316

Released in 1972, the Cal. 4578 with design code 316 was part of Seiko's domestic market collection. Powered by the 4578 caliber with 31j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-713ce0c559ed]

Also known as: Shogun, UFO

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

52 hours

Year

1972

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