Seiko Cal. 6636 - 648

The 6636-648 is a sought-after Hand-Winding piece from Seiko's golden era. It features a Champagne dial protected by a Sapphire crystal and offers 170m of water resistance. [seikata-wm-3cd4c7fd4f06]

Also known as: Shogun

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

35mm

Case Thickness

9.8mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

24j

Frequency

36,000 bph

Power Reserve

63 hours

Year

1979

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