Seiko Cal. 6646 - 463

The 6646-463 is a sought-after Kinetic piece from Seiko's golden era. It features a Navy dial protected by a Acrylic crystal and offers 150m of water resistance. [seikata-wm-36c6931e3353]

Also known as: Helmet

Specifications

Movement

Kinetic

Case Material

Two-Tone

Case Width

39mm

Case Thickness

15.0mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

150m

Dial Color

Navy

Jewels

28j

Frequency

28,800 bph

Power Reserve

61 hours

Year

1979

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