Seiko Cal. 6635 - 858

Released in 1999, the Cal. 6635 with design code 858 was part of Seiko's domestic market collection. With its 20mm lug width and 13.2mm profile, it sits comfortably on most wrists. [seikata-wm-db44648add8f]

Also known as: Bellmatic

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

41mm

Case Thickness

13.2mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

170m

Dial Color

White

Jewels

29j

Frequency

36,000 bph

Power Reserve

57 hours

Year

1999

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