Seiko Cal. 6355 - 435

Seiko 6355-435

This Spring Drive model from 1977 features a 46mm PVD Black case. Powered by the 6355 caliber with 33j jewels beating at 28,800 bph, it delivers a 53 hours power reserve. [seikata-wm-30276981ccef]

Also known as: Helmet, Flighty

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
46mm
Case Thickness
10.5mm
Lug Width
20mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
50m
Dial Color
Navy
Jewels
33j
Frequency
28,800 bph
Power Reserve
53 hours
Year
1977

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