Seiko Cal. 6331 - 999

Seiko 6331-999

The 6331-999 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6331 caliber with 34j jewels beating at 36,000 bph, it delivers a 53 hours power reserve. [seikata-wm-87b94f644862]

Also known as: Navigator

Specifications

Movement
Automatic
Case Material
Gold-Plated
Case Width
34mm
Case Thickness
13.5mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
120m
Dial Color
Navy
Jewels
34j
Frequency
36,000 bph
Power Reserve
53 hours
Year
1982

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