Seiko Cal. 5270 - 509

The 5270-509 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 5270 caliber with 18j jewels beating at 36,000 bph, it delivers a 52 hours power reserve. [seikata-wm-744bd6e60d3a]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

44mm

Case Thickness

14.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1984

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