Seiko Cal. 6644 - 402

The 6644-402 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-e9356f385744]

Also known as: Crown

Specifications

Movement

Kinetic

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

8.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

180m

Dial Color

Green

Jewels

24j

Frequency

36,000 bph

Power Reserve

55 hours

Year

1987

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