Seiko Cal. 6231 - 963

Seiko 6231-963

The 6231-963 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6231 caliber with 18j jewels beating at 28,800 bph, it delivers a 65 hours power reserve. [seikata-wm-d5b704c2a34b]

Also known as: Navigator

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
36mm
Case Thickness
10.1mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Bidirectional
Water Resistance
90m
Dial Color
Silver
Jewels
18j
Frequency
28,800 bph
Power Reserve
65 hours
Year
1973

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