Seiko Cal. 6663 - 827

The 6663-827 is a sought-after Solar piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 180m of water resistance. [seikata-wm-6764795aa858]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

Titanium

Case Width

44mm

Case Thickness

8.7mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Champagne

Jewels

35j

Frequency

36,000 bph

Power Reserve

39 hours

Year

1981

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