Seiko Cal. 6164 - 637

The Seiko 6164-637 represents an important milestone in Seiko's 1990 lineup. Powered by the 6164 caliber with 28j jewels beating at 28,800 bph, it delivers a 64 hours power reserve. [seikata-wm-76f66c16503c]

Also known as: Samurai, Emperor

Specifications

Movement

Solar

Case Material

Titanium

Case Width

46mm

Case Thickness

11.7mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Green

Jewels

28j

Frequency

28,800 bph

Power Reserve

64 hours

Year

1990

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