Seiko Cal. 4548 - 874

This Spring Drive model from 1975 features a 39mm Two-Tone case. With its 19mm lug width and 10.9mm profile, it sits comfortably on most wrists. [seikata-wm-c2d7b54f097b]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

39mm

Case Thickness

10.9mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

White

Jewels

33j

Frequency

21,600 bph

Power Reserve

61 hours

Year

1975

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