Seiko Cal. 6613 - 661

Seiko 6613-661

The 6613-661 is a sought-after Hand-Winding piece from Seiko's golden era. With its 19mm lug width and 11.6mm profile, it sits comfortably on most wrists. [seikata-wm-6f88d08247d9]

Also known as: UFO

Specifications

Movement
Hand-Winding
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
11.6mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Blue Sunburst
Jewels
33j
Frequency
28,800 bph
Power Reserve
45 hours
Year
1998

Related Models

seikata-wm-6f88d08247d9