Seiko Cal. 6640 - 800

The 6640-800 is a sought-after Solar piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-4d6f6ec34bd8]

Also known as: Samurai, Flighty

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Black

Jewels

22j

Frequency

28,800 bph

Power Reserve

37 hours

Year

1992

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