Seiko Cal. 6621 - 340

Seiko 6621-340

This Quartz model from 1971 features a 37mm Hardlex-Coated Steel case. The Inner Rotating bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-fcc41e1e50fa]

Also known as: Baby Tuna

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
12.9mm
Lug Width
18mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
110m
Dial Color
Cream
Jewels
27j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1971

Related Models

seikata-wm-fcc41e1e50fa