Seiko Cal. 5647 - 509

The 5647-509 is a sought-after Quartz piece from Seiko's golden era. Powered by the 5647 caliber with 27j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-a590b3e3dbbd]

Also known as: Samurai, Baby Tuna

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

8.9mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

120m

Dial Color

Navy

Jewels

27j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1975

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