Seiko Cal. 3866 - 351

The Seiko 3866-351 represents an important milestone in Seiko's 1990 lineup. It features a Green dial protected by a Acrylic crystal and offers 90m of water resistance. [seikata-wm-091dabcb9476]

Also known as: Baby Tuna

Specifications

Movement

Automatic

Case Material

PVD Black

Case Width

45mm

Case Thickness

15.8mm

Lug Width

22mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

90m

Dial Color

Green

Jewels

25j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1990

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