Seiko Cal. 6620 - 903

Seiko 6620-903

This Automatic model from 1978 features a 46mm Hardlex-Coated Steel case. Powered by the 6620 caliber with 34j jewels beating at 36,000 bph, it delivers a 55 hours power reserve. [seikata-wm-dc8aee602fd7]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
46mm
Case Thickness
13.8mm
Lug Width
20mm
Crystal
Acrylic
Bezel
Rotating
Water Resistance
60m
Dial Color
White
Jewels
34j
Frequency
36,000 bph
Power Reserve
55 hours
Year
1978

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