Seiko Cal. 5240 - 247

The 5240-247 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5240 caliber with 20j jewels beating at 36,000 bph, it delivers a 70 hours power reserve. [seikata-wm-6438b6a39954]

Also known as: Goldfeather

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

9.5mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

160m

Dial Color

White

Jewels

20j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1991

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