Seiko Cal. 6660 - 635

The 6660-635 is a sought-after Automatic piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-ff0a3dd633f8]

Also known as: Samurai

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

200m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1990

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