Seiko Cal. 5247 - 497

The 5247-497 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5247 caliber with 30j jewels beating at 36,000 bph, it delivers a 65 hours power reserve. [seikata-wm-da72c8c6fcf9]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

45mm

Case Thickness

8.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

120m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

36,000 bph

Power Reserve

65 hours

Year

1990

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