Seiko Cal. 5243 - 900

This Spring Drive model from 1971 features a 38mm PVD Black case. Powered by the 5243 caliber with 19j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-badc1f5dfd6f]

Also known as: Rally, Sea Horse

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

38mm

Case Thickness

9.5mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

60m

Dial Color

Cream

Jewels

19j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1971

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