Seiko Cal. 6690 - 204

The Seiko 6690-204 represents an important milestone in Seiko's 1982 lineup. Powered by the 6690 caliber with 29j jewels beating at 28,800 bph, it delivers a 57 hours power reserve. [seikata-wm-b0b414be392d]

Also known as: Shogun

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

38mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

170m

Dial Color

Champagne

Jewels

29j

Frequency

28,800 bph

Power Reserve

57 hours

Year

1982

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