Seiko Cal. 6660 - 421

The Seiko 6660-421 represents an important milestone in Seiko's 1982 lineup. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-e1a77c536897]

Also known as: Panda, Navigator

Specifications

Movement

Quartz

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

12.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Green

Jewels

21j

Frequency

36,000 bph

Power Reserve

40 hours

Year

1982

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