Seiko Cal. 6637 - 116

The Seiko 6637-116 represents an important milestone in Seiko's 1989 lineup. Powered by the 6637 caliber with 22j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-b1d0c69eb7d2]

Also known as: Crown

Specifications

Movement

Automatic

Case Material

Titanium

Case Width

43mm

Case Thickness

14.8mm

Lug Width

22mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Burgundy

Jewels

22j

Frequency

21,600 bph

Power Reserve

36 hours

Year

1989

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