Seiko Cal. 3888 - 990

Seiko 3888-990

The Seiko 3888-990 represents an important milestone in Seiko's 1967 lineup. The Rotating bezel and 34mm case give it a distinctive presence on the wrist. [seikata-wm-2f60eea6a420]

Also known as: Tuna, Flighty

Specifications

Movement
Kinetic
Case Material
Titanium
Case Width
34mm
Case Thickness
9.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Rotating
Water Resistance
100m
Dial Color
Champagne
Jewels
21j
Frequency
28,800 bph
Power Reserve
42 hours
Year
1967

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