Seiko Cal. 6615 - 631

Seiko 6615-631

This Kinetic model from 1965 features a 35mm Stainless Steel case. The Inner Rotating bezel and 35mm case give it a distinctive presence on the wrist. [seikata-wm-438900f2b651]

Also known as: UFO, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
35mm
Case Thickness
9.4mm
Lug Width
18mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Silver
Jewels
26j
Frequency
28,800 bph
Power Reserve
56 hours
Year
1965

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seikata-wm-438900f2b651