Seiko Cal. 6644 - 518

Released in 1986, the Cal. 6644 with design code 518 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-3ffb627b24bc]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Stainless Steel

Case Width

46mm

Case Thickness

8.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

90m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

48 hours

Year

1986

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