Seiko Cal. 3890 - 612

The Seiko 3890-612 represents an important milestone in Seiko's 1978 lineup. It features a White dial protected by a Sapphire crystal and offers 130m of water resistance. [seikata-wm-1ad387561b62]

Also known as: Golden Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

36mm

Case Thickness

12.3mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

130m

Dial Color

White

Jewels

34j

Frequency

21,600 bph

Power Reserve

50 hours

Year

1978

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