Seiko Cal. 5240 - 715

The Seiko 5240-715 represents an important milestone in Seiko's 1991 lineup. With its 20mm lug width and 11.9mm profile, it sits comfortably on most wrists. [seikata-wm-63b2afa13886]

Also known as: Sumo, Rally

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.9mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Green

Jewels

19j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1991

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