Seiko Cal. 3897 - 855

The Seiko 3897-855 represents an important milestone in Seiko's 1971 lineup. It features a Silver dial protected by a Sapphire crystal and offers 30m of water resistance. [seikata-wm-b63ec947c5e9]

Also known as: Monster

Specifications

Movement

Quartz

Case Material

PVD Black

Case Width

34mm

Case Thickness

14.6mm

Lug Width

22mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

30m

Dial Color

Silver

Jewels

28j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1971

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