Seiko Cal. 3861 - 858

The Seiko 3861-858 represents an important milestone in Seiko's 1970 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 70m of water resistance. [seikata-wm-bbfdd7ab040b]

Also known as: Tuna

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

46mm

Case Thickness

10.5mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

70m

Dial Color

Burgundy

Jewels

29j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1970

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