Seiko Cal. 3818 - 561

Seiko 3818-561

The Seiko 3818-561 represents an important milestone in Seiko's 1981 lineup. The Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-28b5b9319426]

Also known as: Baby Tuna

Specifications

Movement
Kinetic
Case Material
Gold-Plated
Case Width
37mm
Case Thickness
12.5mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
190m
Dial Color
White
Jewels
21j
Frequency
28,800 bph
Power Reserve
58 hours
Year
1981

Related Models

seikata-wm-28b5b9319426