Seiko Cal. 3897 - 875

Released in 1988, the Cal. 3897 with design code 875 was part of Seiko's domestic market collection. It features a Green dial protected by a Acrylic crystal and offers 50m of water resistance. [seikata-wm-6fc0db89b3d6]

Also known as: Helmet, UFO

Specifications

Movement

Automatic

Case Material

Gold-Plated

Case Width

45mm

Case Thickness

11.6mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Rotating

Water Resistance

50m

Dial Color

Green

Jewels

29j

Frequency

21,600 bph

Power Reserve

72 hours

Year

1988

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