Seiko Cal. 6318 - 620

Seiko 6318-620

The 6318-620 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6318 caliber with 32j jewels beating at 28,800 bph, it delivers a 62 hours power reserve. [seikata-wm-2564c634a13d]

Also known as: Sportsmatic

Specifications

Movement
Spring Drive
Case Material
PVD Black
Case Width
37mm
Case Thickness
8.4mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Inner Rotating
Water Resistance
140m
Dial Color
Green
Jewels
32j
Frequency
28,800 bph
Power Reserve
62 hours
Year
1980

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seikata-wm-2564c634a13d