Seiko Cal. 3888 - 769

The Seiko 3888-769 represents an important milestone in Seiko's 1980 lineup. The Bidirectional bezel and 42mm case give it a distinctive presence on the wrist. [seikata-wm-fd928d3b9218]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Hardlex-Coated Steel

Case Width

42mm

Case Thickness

9.1mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

80m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1980

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