Seiko Cal. 6390 - 554

The 6390-554 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6390 caliber with 27j jewels beating at 21,600 bph, it delivers a 65 hours power reserve. [seikata-wm-93f442857160]

Also known as: Turtle, Sea Horse

Specifications

Movement

Kinetic

Case Material

PVD Black

Case Width

40mm

Case Thickness

9.4mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Navy

Jewels

27j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1966

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