Seiko Cal. 3888 - 901

The Seiko 3888-901 represents an important milestone in Seiko's 1971 lineup. It features a Champagne dial protected by a Sapphire crystal and offers 110m of water resistance. [seikata-wm-1dabc0d19a50]

Also known as: Helmet

Specifications

Movement

Hand-Winding

Case Material

Titanium

Case Width

44mm

Case Thickness

14.0mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

29j

Frequency

21,600 bph

Power Reserve

47 hours

Year

1971

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