Seiko Cal. 3811 - 633

Seiko 3811-633

The Seiko 3811-633 represents an important milestone in Seiko's 1969 lineup. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-e12926927ad6]

Also known as: Samurai, Golden Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.1mm
Lug Width
21mm
Crystal
Acrylic
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
32j
Frequency
21,600 bph
Power Reserve
37 hours
Year
1969

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