Seiko Cal. 6324 - 366

The 6324-366 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6324 caliber with 27j jewels beating at 21,600 bph, it delivers a 59 hours power reserve. [seikata-wm-fdc25e666ba6]

Also known as: Tuna, Helmet

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

13.2mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

40m

Dial Color

White

Jewels

27j

Frequency

21,600 bph

Power Reserve

59 hours

Year

1967

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