Seiko Cal. 6665 - 621

The Seiko 6665-621 represents an important milestone in Seiko's 1983 lineup. Powered by the 6665 caliber with 21j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-2cf4fa12bbb1]

Also known as: Sumo, Golden Tuna

Specifications

Movement

Solar

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

10.6mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

40m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

21,600 bph

Power Reserve

43 hours

Year

1983

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