Seiko Cal. 6646 - 251

The Seiko 6646-251 represents an important milestone in Seiko's 1968 lineup. Powered by the 6646 caliber with 19j jewels beating at 21,600 bph, it delivers a 37 hours power reserve. [seikata-wm-d4acf91bb9a2]

Also known as: Goldfeather

Specifications

Movement

Solar

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

11.3mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

190m

Dial Color

White

Jewels

19j

Frequency

21,600 bph

Power Reserve

37 hours

Year

1968

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