Seiko Cal. 6636 - 404

The Seiko 6636-404 represents an important milestone in Seiko's 1996 lineup. Powered by the 6636 caliber with 23j jewels beating at 21,600 bph, it delivers a 58 hours power reserve. [seikata-wm-3ae1b623a952]

Also known as: UFO

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

38mm

Case Thickness

8.4mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

190m

Dial Color

Black

Jewels

23j

Frequency

21,600 bph

Power Reserve

58 hours

Year

1996

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