Seiko Cal. 6621 - 339

Seiko 6621-339

This Hand-Winding model from 1974 features a 43mm Hardlex-Coated Steel case. The Rotating bezel and 43mm case give it a distinctive presence on the wrist. [seikata-wm-ec0e26e78ae4]

Also known as: Bellmatic, Baby Tuna

Specifications

Movement
Hand-Winding
Case Material
Hardlex-Coated Steel
Case Width
43mm
Case Thickness
13.2mm
Lug Width
19mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
40m
Dial Color
Silver
Jewels
35j
Frequency
21,600 bph
Power Reserve
44 hours
Year
1974

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