Seiko Cal. 3898 - 961

The Seiko 3898-961 represents an important milestone in Seiko's 1975 lineup. The Coin-Edge bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-d43c1f237d8e]

Also known as: Helmet, Silverwave

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

34mm

Case Thickness

13.9mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

60m

Dial Color

Champagne

Jewels

25j

Frequency

28,800 bph

Power Reserve

36 hours

Year

1975

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