Seiko Cal. 6321 - 698

Seiko 6321-698

The Seiko 6321-698 represents an important milestone in Seiko's 1967 lineup. Powered by the 6321 caliber with 19j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-a8de0505e38e]

Also known as: Sumo, Tuna

Specifications

Movement
Solar
Case Material
Gold-Plated
Case Width
45mm
Case Thickness
12.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
50m
Dial Color
Green
Jewels
19j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1967

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