Seiko Cal. 6635 - 458

The 6635-458 is a sought-after Spring Drive piece from Seiko's golden era. With its 20mm lug width and 14.1mm profile, it sits comfortably on most wrists. [seikata-wm-80a94f2a6e4d]

Also known as: UFO

Specifications

Movement

Spring Drive

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

14.1mm

Lug Width

20mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Navy

Jewels

17j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1996

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