Seiko Cal. 6364 - 551

Seiko 6364-551

The 6364-551 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6364 caliber with 36j jewels beating at 36,000 bph, it delivers a 39 hours power reserve. [seikata-wm-b26e9a21aba6]

Also known as: Sumo

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
34mm
Case Thickness
14.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
140m
Dial Color
White
Jewels
36j
Frequency
36,000 bph
Power Reserve
39 hours
Year
1983

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