Seiko Cal. 3890 - 900

The Seiko 3890-900 represents an important milestone in Seiko's 1976 lineup. It features a Burgundy dial protected by a Acrylic crystal and offers 160m of water resistance. [seikata-wm-7e63d52f511e]

Also known as: Tuna

Specifications

Movement

Hand-Winding

Case Material

Hardlex-Coated Steel

Case Width

41mm

Case Thickness

9.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

160m

Dial Color

Burgundy

Jewels

21j

Frequency

36,000 bph

Power Reserve

59 hours

Year

1976

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