Seiko Cal. 6664 - 398

Released in 1966, the Cal. 6664 with design code 398 was part of Seiko's domestic market collection. It features a Green dial protected by a Mineral crystal and offers 100m of water resistance. [seikata-wm-8506c4ea590a]

Also known as: Emperor

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

42mm

Case Thickness

9.3mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Green

Jewels

17j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1966

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