Seiko Cal. 3897 - 146

The Seiko 3897-146 represents an important milestone in Seiko's 1965 lineup. It features a Cream dial protected by a Acrylic crystal and offers 30m of water resistance. [seikata-wm-60a9b4228dc5]

Also known as: Helmet

Specifications

Movement

Quartz

Case Material

Titanium

Case Width

39mm

Case Thickness

8.0mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Coin-Edge

Water Resistance

30m

Dial Color

Cream

Jewels

33j

Frequency

21,600 bph

Power Reserve

64 hours

Year

1965

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