Seiko Cal. 6664 - 540

The 6664-540 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 150m of water resistance. [seikata-wm-f4d2d21af6b3]

Also known as: Rally, Baby Tuna

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

34mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

150m

Dial Color

Black

Jewels

28j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1996

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