Seiko Cal. 6634 - 748

Seiko 6634-748

The 6634-748 is a sought-after Solar piece from Seiko's golden era. Powered by the 6634 caliber with 19j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-cb3f25a5d1a1]

Also known as: Flighty

Specifications

Movement
Solar
Case Material
Hardlex-Coated Steel
Case Width
38mm
Case Thickness
14.0mm
Lug Width
19mm
Crystal
Acrylic
Bezel
Coin-Edge
Water Resistance
120m
Dial Color
Black
Jewels
19j
Frequency
21,600 bph
Power Reserve
66 hours
Year
1965

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