Seiko Cal. 6343 - 257

Seiko 6343-257

The 6343-257 is a sought-after Kinetic piece from Seiko's golden era. With its 18mm lug width and 14.0mm profile, it sits comfortably on most wrists. [seikata-wm-28d81f37555a]

Also known as: Sumo, Navigator

Specifications

Movement
Kinetic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
14.0mm
Lug Width
18mm
Crystal
Hardlex
Bezel
Coin-Edge
Water Resistance
100m
Dial Color
Navy
Jewels
18j
Frequency
21,600 bph
Power Reserve
41 hours
Year
1978

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