Seiko Cal. 6660 - 509

The 6660-509 is a sought-after Kinetic piece from Seiko's golden era. It features a Green dial protected by a Mineral crystal and offers 90m of water resistance. [seikata-wm-f13c007617c4]

Also known as: Silverwave

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

44mm

Case Thickness

8.8mm

Lug Width

19mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

90m

Dial Color

Green

Jewels

36j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1995

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