Seiko Cal. 5691 - 668

Seiko 5691-668

The 5691-668 is a sought-after Kinetic piece from Seiko's golden era. The Coin-Edge bezel and 38mm case give it a distinctive presence on the wrist. [seikata-wm-30bef92dcdea]

Also known as: Sportsmatic, Sea Horse

Specifications

Movement
Kinetic
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
15.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
30m
Dial Color
Black
Jewels
18j
Frequency
21,600 bph
Power Reserve
55 hours
Year
1975

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