Seiko Cal. 3866 - 777

The Seiko 3866-777 represents an important milestone in Seiko's 1984 lineup. It features a White dial protected by a Acrylic crystal and offers 200m of water resistance. [seikata-wm-1071fb6f4041]

Also known as: Tuna, Golden Tuna

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

43mm

Case Thickness

13.2mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Bidirectional

Water Resistance

200m

Dial Color

White

Jewels

20j

Frequency

21,600 bph

Power Reserve

55 hours

Year

1984

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