Seiko Cal. 6637 - 519

The Seiko 6637-519 represents an important milestone in Seiko's 1976 lineup. Powered by the 6637 caliber with 18j jewels beating at 36,000 bph, it delivers a 66 hours power reserve. [seikata-wm-b36ca9d00dac]

Also known as: Shogun, Silverwave

Specifications

Movement

Solar

Case Material

Titanium

Case Width

40mm

Case Thickness

14.6mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

150m

Dial Color

Black

Jewels

18j

Frequency

36,000 bph

Power Reserve

66 hours

Year

1976

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