Seiko Cal. 5240 - 933

The 5240-933 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 8.7mm profile, it sits comfortably on most wrists. [seikata-wm-fc5b3f550041]

Also known as: Emperor

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

42mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

190m

Dial Color

Navy

Jewels

31j

Frequency

28,800 bph

Power Reserve

47 hours

Year

1969

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