Seiko Cal. 6660 - 979

The 6660-979 is a sought-after Spring Drive piece from Seiko's golden era. It features a Navy dial protected by a Mineral crystal and offers 130m of water resistance. [seikata-wm-fdacde6f667b]

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

15.9mm

Lug Width

18mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

Navy

Jewels

36j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1968

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