Seiko Cal. 5684 - 328

The 5684-328 is a sought-after Spring Drive piece from Seiko's golden era. The Fixed bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-7293244d1669]

Also known as: Helmet, UFO

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

43mm

Case Thickness

11.8mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Fixed

Water Resistance

150m

Dial Color

Champagne

Jewels

33j

Frequency

36,000 bph

Power Reserve

70 hours

Year

1975

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