Seiko Cal. 6321 - 744

The Seiko 6321-744 represents an important milestone in Seiko's 1970 lineup. It features a Cream dial protected by a Hardlex crystal and offers 110m of water resistance. [seikata-wm-738c2c64e968]

Also known as: Helmet

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

46mm

Case Thickness

15.3mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

110m

Dial Color

Cream

Jewels

31j

Frequency

21,600 bph

Power Reserve

49 hours

Year

1970

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