Seiko Cal. 6664 - 983

Released in 1975, the Cal. 6664 with design code 983 was part of Seiko's domestic market collection. It features a Navy dial protected by a Hardlex crystal and offers 140m of water resistance. [seikata-wm-7811852fa3bf]

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

40mm

Case Thickness

14.4mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

140m

Dial Color

Navy

Jewels

28j

Frequency

36,000 bph

Power Reserve

68 hours

Year

1975

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