Seiko Cal. 6650 - 311

Seiko 6650-311

The 6650-311 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 37mm case give it a distinctive presence on the wrist. [seikata-wm-c4881df73d56]

Also known as: Helmet, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
37mm
Case Thickness
13.8mm
Lug Width
22mm
Crystal
Sapphire
Bezel
Coin-Edge
Water Resistance
180m
Dial Color
Navy
Jewels
23j
Frequency
21,600 bph
Power Reserve
56 hours
Year
1986

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