Seiko Cal. 6636 - 858

The 6636-858 is a sought-after Quartz piece from Seiko's golden era. It features a Black dial protected by a Mineral crystal and offers 70m of water resistance. [seikata-wm-e0642a435be5]

Also known as: Goldfeather

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

13.2mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Black

Jewels

28j

Frequency

21,600 bph

Power Reserve

60 hours

Year

1973

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