Seiko Cal. 6644 - 143

The 6644-143 is a sought-after Spring Drive piece from Seiko's golden era. It features a Green dial protected by a Hardlex crystal and offers 70m of water resistance. [seikata-wm-b1a873aaea90]

Also known as: Samurai

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

45mm

Case Thickness

12.0mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

17j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1986

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