Seiko Cal. 6392 - 644

The 6392-644 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 40m of water resistance. [seikata-wm-019aa593b876]

Also known as: Crown

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.5mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

Green

Jewels

28j

Frequency

21,600 bph

Power Reserve

65 hours

Year

1981

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