Seiko Cal. 6620 - 450

Seiko 6620-450

This Quartz model from 1967 features a 37mm Hardlex-Coated Steel case. Powered by the 6620 caliber with 17j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-a4047cda1121]

Specifications

Movement
Quartz
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
14.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
40m
Dial Color
Black
Jewels
17j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1967

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