Seiko Cal. 6650 - 404

The Seiko 6650-404 represents an important milestone in Seiko's 1973 lineup. Powered by the 6650 caliber with 21j jewels beating at 36,000 bph, it delivers a 59 hours power reserve. [seikata-wm-9eedae731870]

Also known as: Tuna, Rally

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

37mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

140m

Dial Color

White

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1973

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