Seiko Cal. 5240 - 843

The 5240-843 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5240 caliber with 34j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-bdf0261eb98b]

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

White

Jewels

34j

Frequency

28,800 bph

Power Reserve

38 hours

Year

1993

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