Seiko Cal. 6343 - 727

Seiko 6343-727

The 6343-727 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6343 caliber with 29j jewels beating at 36,000 bph, it delivers a 56 hours power reserve. [seikata-wm-3cd360b0a19e]

Also known as: Tuna

Specifications

Movement
Spring Drive
Case Material
Hardlex-Coated Steel
Case Width
35mm
Case Thickness
14.2mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
190m
Dial Color
Silver
Jewels
29j
Frequency
36,000 bph
Power Reserve
56 hours
Year
1973

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seikata-wm-3cd360b0a19e