Seiko Cal. 6635 - 891

The Seiko 6635-891 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 44 hours power reserve. [seikata-wm-fbb32c4f955e]

Also known as: Samurai, World Timer

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

42mm

Case Thickness

14.5mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

90m

Dial Color

Silver

Jewels

27j

Frequency

36,000 bph

Power Reserve

44 hours

Year

1986

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