Seiko Cal. 5240 - 437

The Seiko 5240-437 represents an important milestone in Seiko's 1972 lineup. With its 20mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-dfe62abc2d24]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

12.2mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Black

Jewels

32j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1972

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