Seiko Cal. 3813 - 661

Seiko 3813-661

The 3813-661 is a sought-after Kinetic piece from Seiko's golden era. The Inner Rotating bezel and 36mm case give it a distinctive presence on the wrist. [seikata-wm-5977b8063a27]

Also known as: UFO

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
10.0mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Silver
Jewels
17j
Frequency
21,600 bph
Power Reserve
39 hours
Year
1978

Related Models

seikata-wm-5977b8063a27