Seiko Cal. 3898 - 688

This Spring Drive model from 1975 features a 44mm PVD Black case. Powered by the 3898 caliber with 28j jewels beating at 21,600 bph, it delivers a 70 hours power reserve. [seikata-wm-4e7e84f4b92d]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

13.1mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

28j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1975

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