Seiko Cal. 6636 - 346

The 6636-346 is a sought-after Hand-Winding piece from Seiko's golden era. With its 20mm lug width and 13.4mm profile, it sits comfortably on most wrists. [seikata-wm-4cb6dbbae41e]

Also known as: UFO

Specifications

Movement

Hand-Winding

Case Material

PVD Black

Case Width

39mm

Case Thickness

13.4mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

100m

Dial Color

Cream

Jewels

17j

Frequency

36,000 bph

Power Reserve

52 hours

Year

1999

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