Seiko Cal. 6636 - 221

The Seiko 6636-221 represents an important milestone in Seiko's 1982 lineup. Powered by the 6636 caliber with 35j jewels beating at 28,800 bph, it delivers a 45 hours power reserve. [seikata-wm-0431885a937a]

Also known as: Emperor

Specifications

Movement

Kinetic

Case Material

Titanium

Case Width

40mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

120m

Dial Color

Burgundy

Jewels

35j

Frequency

28,800 bph

Power Reserve

45 hours

Year

1982

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