Seiko Cal. 6618 - 638

Seiko 6618-638

The 6618-638 is a sought-after Kinetic piece from Seiko's golden era. With its 19mm lug width and 12.2mm profile, it sits comfortably on most wrists. [seikata-wm-caf68c5698b3]

Also known as: UFO, Silverwave

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
42mm
Case Thickness
12.2mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
35j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1975

Related Models

seikata-wm-caf68c5698b3