Seiko Cal. 6321 - 155

The Seiko 6321-155 represents an important milestone in Seiko's 1969 lineup. With its 21mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-e1871ca53485]

Also known as: Bullhead

Specifications

Movement

Solar

Case Material

Titanium

Case Width

36mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

50m

Dial Color

Blue Sunburst

Jewels

20j

Frequency

28,800 bph

Power Reserve

60 hours

Year

1969

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