Seiko Cal. 6392 - 688

Seiko 6392-688

The 6392-688 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 6392 caliber with 24j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f31a3567cbc9]

Also known as: Turtle, Tuna

Specifications

Movement
Spring Drive
Case Material
Two-Tone
Case Width
38mm
Case Thickness
8.8mm
Lug Width
20mm
Crystal
Hardlex
Bezel
Fixed
Water Resistance
140m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
28,800 bph
Power Reserve
55 hours
Year
1999

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