Seiko Cal. 6321 - 818

The 6321-818 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6321 caliber with 24j jewels beating at 28,800 bph, it delivers a 56 hours power reserve. [seikata-wm-c35926ceb8b4]

Also known as: Silverwave, Crown

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

44mm

Case Thickness

11.1mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

40m

Dial Color

Green

Jewels

24j

Frequency

28,800 bph

Power Reserve

56 hours

Year

1984

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