Seiko Cal. 6343 - 604

Seiko 6343-604

The 6343-604 is a sought-after Spring Drive piece from Seiko's golden era. It features a Black dial protected by a Sapphire crystal and offers 40m of water resistance. [seikata-wm-c1b09167cfd8]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
42mm
Case Thickness
12.9mm
Lug Width
21mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Black
Jewels
29j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1971

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