Seiko Cal. 6660 - 383

The Seiko 6660-383 represents an important milestone in Seiko's 1970 lineup. It features a White dial protected by a Mineral crystal and offers 30m of water resistance. [seikata-wm-65facd4b2c2a]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

11.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

White

Jewels

30j

Frequency

28,800 bph

Power Reserve

69 hours

Year

1970

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