Seiko Cal. 6388 - 321

Seiko 6388-321

The 6388-321 is a sought-after Solar piece from Seiko's golden era. Powered by the 6388 caliber with 24j jewels beating at 21,600 bph, it delivers a 36 hours power reserve. [seikata-wm-14b3935badaf]

Specifications

Movement
Solar
Case Material
Titanium
Case Width
35mm
Case Thickness
13.8mm
Lug Width
21mm
Crystal
Mineral
Bezel
Rotating
Water Resistance
30m
Dial Color
Green
Jewels
24j
Frequency
21,600 bph
Power Reserve
36 hours
Year
1968

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