Seiko Cal. 6688 - 736

Seiko 6688-736

The 6688-736 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6688 caliber with 28j jewels beating at 21,600 bph, it delivers a 43 hours power reserve. [seikata-wm-a5916afdb55c]

Specifications

Movement
Automatic
Case Material
PVD Black
Case Width
35mm
Case Thickness
11.4mm
Lug Width
20mm
Crystal
Mineral
Bezel
Inner Rotating
Water Resistance
180m
Dial Color
Burgundy
Jewels
28j
Frequency
21,600 bph
Power Reserve
43 hours
Year
1966

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