Seiko Cal. 5678 - 416

This Quartz model from 1977 features a 46mm Titanium case. Powered by the 5678 caliber with 18j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-efbc7e566ebe]

Also known as: Sumo

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Green

Jewels

18j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1977

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