Seiko Cal. 6321 - 999

Seiko 6321-999

The 6321-999 is a sought-after Quartz piece from Seiko's golden era. Powered by the 6321 caliber with 32j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-98bb0b8bc603]

Also known as: Sumo

Specifications

Movement
Quartz
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
10.5mm
Lug Width
21mm
Crystal
Mineral
Bezel
Bidirectional
Water Resistance
80m
Dial Color
White
Jewels
32j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1978

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