Seiko Cal. 6651 - 925

The Seiko 6651-925 represents an important milestone in Seiko's 1969 lineup. Powered by the 6651 caliber with 30j jewels beating at 28,800 bph, it delivers a 59 hours power reserve. [seikata-wm-22b0d17365a0]

Also known as: Sumo, Helmet

Specifications

Movement

Quartz

Case Material

Two-Tone

Case Width

38mm

Case Thickness

12.1mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

30j

Frequency

28,800 bph

Power Reserve

59 hours

Year

1969

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