Seiko Cal. 5678 - 457

The 5678-457 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5678 caliber with 18j jewels beating at 28,800 bph, it delivers a 43 hours power reserve. [seikata-wm-62ca2f43a0dc]

Also known as: Sumo, Emperor

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

43 hours

Year

1986

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