Seiko Cal. 3859 - 320

Released in 1973, the Cal. 3859 with design code 320 was part of Seiko's domestic market collection. It features a Blue Sunburst dial protected by a Mineral crystal and offers 110m of water resistance. [seikata-wm-5353ce68eff1]

Also known as: Tuna, Bullhead

Specifications

Movement

Quartz

Case Material

Stainless Steel

Case Width

36mm

Case Thickness

9.0mm

Lug Width

19mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

110m

Dial Color

Blue Sunburst

Jewels

21j

Frequency

28,800 bph

Power Reserve

53 hours

Year

1973

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