Seiko Cal. 6640 - 164

The 6640-164 is a sought-after Solar piece from Seiko's golden era. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-bd8acee55800]

Also known as: Pogue

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

46mm

Case Thickness

9.3mm

Lug Width

18mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

25j

Frequency

28,800 bph

Power Reserve

54 hours

Year

1973

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