Seiko Cal. 6686 - 751

Seiko 6686-751

The 6686-751 is a sought-after Kinetic piece from Seiko's golden era. Powered by the 6686 caliber with 21j jewels beating at 21,600 bph, it delivers a 61 hours power reserve. [seikata-wm-9c06f606ba29]

Also known as: Sumo, Baby Tuna

Specifications

Movement
Kinetic
Case Material
PVD Black
Case Width
38mm
Case Thickness
11.7mm
Lug Width
22mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
40m
Dial Color
Navy
Jewels
21j
Frequency
21,600 bph
Power Reserve
61 hours
Year
1965

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