Seiko Cal. 6320 - 344

The Seiko 6320-344 represents an important milestone in Seiko's 1987 lineup. Powered by the 6320 caliber with 33j jewels beating at 21,600 bph, it delivers a 40 hours power reserve. [seikata-wm-2d5451b56df1]

Also known as: Bullhead, Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

38mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

100m

Dial Color

Blue Sunburst

Jewels

33j

Frequency

21,600 bph

Power Reserve

40 hours

Year

1987

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