Seiko Cal. 6660 - 412

The 6660-412 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Hardlex crystal and offers 80m of water resistance. [seikata-wm-e870d707acfc]

Also known as: UFO, Arnie

Specifications

Movement

Solar

Case Material

Two-Tone

Case Width

45mm

Case Thickness

8.3mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

80m

Dial Color

Black

Jewels

26j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1974

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