Seiko Cal. 6654 - 634

Seiko 6654-634

The 6654-634 is a sought-after Solar piece from Seiko's golden era. Powered by the 6654 caliber with 31j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-fdec25e7fe8d]

Also known as: UFO

Specifications

Movement
Solar
Case Material
Stainless Steel
Case Width
38mm
Case Thickness
15.9mm
Lug Width
21mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
160m
Dial Color
Navy
Jewels
31j
Frequency
21,600 bph
Power Reserve
51 hours
Year
1980

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