Seiko Cal. 6635 - 886

The Seiko 6635-886 represents an important milestone in Seiko's 1986 lineup. Powered by the 6635 caliber with 27j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-f819e75686c5]

Also known as: Bullhead, UFO

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

36mm

Case Thickness

14.1mm

Lug Width

21mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Cream

Jewels

27j

Frequency

36,000 bph

Power Reserve

48 hours

Year

1986

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