Seiko Cal. 6648 - 137

Seiko 6648-137

This Spring Drive model from 1992 features a 34mm Stainless Steel case. Powered by the 6648 caliber with 24j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-5a10804b8bf8]

Specifications

Movement
Spring Drive
Case Material
Stainless Steel
Case Width
34mm
Case Thickness
8.3mm
Lug Width
19mm
Crystal
Sapphire
Bezel
Rotating
Water Resistance
60m
Dial Color
Blue Sunburst
Jewels
24j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1992

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