Seiko Cal. 5239 - 424

This Spring Drive model from 1999 features a 45mm Two-Tone case. With its 21mm lug width and 9.1mm profile, it sits comfortably on most wrists. [seikata-wm-07b74dcf818b]

Also known as: Monster, UFO

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

45mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

White

Jewels

17j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1999

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