Seiko Cal. 6321 - 641

The Seiko 6321-641 represents an important milestone in Seiko's 1965 lineup. It features a Black dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-21ed266f0106]

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

36mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

50m

Dial Color

Black

Jewels

31j

Frequency

28,800 bph

Power Reserve

41 hours

Year

1965

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