Seiko Cal. 5240 - 720

This Spring Drive model from 1989 features a 44mm Two-Tone case. With its 21mm lug width and 12.4mm profile, it sits comfortably on most wrists. [seikata-wm-0ab9986df7d5]

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

12.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

40m

Dial Color

Black

Jewels

20j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1989

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