Seiko Cal. 6390 - 464

This Spring Drive model from 1993 features a 44mm PVD Black case. It features a Green dial protected by a Acrylic crystal and offers 170m of water resistance. [seikata-wm-600bebb22e65]

Also known as: Bullhead

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

44mm

Case Thickness

9.9mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

170m

Dial Color

Green

Jewels

19j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1993

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