Seiko Cal. 6351 - 520

Seiko 6351-520

This Automatic model from 1969 features a 37mm Hardlex-Coated Steel case. Powered by the 6351 caliber with 22j jewels beating at 36,000 bph, it delivers a 48 hours power reserve. [seikata-wm-4db8e627e48f]

Specifications

Movement
Automatic
Case Material
Hardlex-Coated Steel
Case Width
37mm
Case Thickness
9.5mm
Lug Width
22mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
70m
Dial Color
Navy
Jewels
22j
Frequency
36,000 bph
Power Reserve
48 hours
Year
1969

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