Seiko Cal. 6665 - 621

Seiko 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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