Seiko Cal. 6613 - 378

Seiko 6613-378

This Spring Drive model from 1970 features a 38mm Two-Tone case. The Rotating bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-528dfb7824f0]

Also known as: UFO, Golden Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
12.3mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
70m
Dial Color
Blue Sunburst
Jewels
34j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1970

Related Models

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