Seiko Cal. 6646 - 905

Seiko 6646-905

This Automatic model from 1969 features a 45mm PVD Black case. Powered by the 6646 caliber with 36j jewels beating at 28,800 bph, it delivers a 69 hours power reserve. [seikata-wm-138a51714dbc]

Also known as: Sumo

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
45mm
Case Thickness
10.6mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Fixed
Water Resistance
200m
Dial Color
Champagne
Jewels
36j
Frequency
28,800 bph
Power Reserve
69 hours
Year
1969

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seikata-wm-138a51714dbc