Seiko Cal. 3890 - 655

The Seiko 3890-655 represents an important milestone in Seiko's 1970 lineup. It features a Green dial protected by a Mineral crystal and offers 180m of water resistance. [seikata-wm-66730adbe115]

Also known as: Samurai, Arnie

Specifications

Movement

Automatic

Case Material

Stainless Steel

Case Width

41mm

Case Thickness

12.0mm

Lug Width

20mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Green

Jewels

20j

Frequency

21,600 bph

Power Reserve

69 hours

Year

1970

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