Seiko Cal. 6648 - 577

Seiko 6648-577

The 6648-577 is a sought-after Automatic piece from Seiko's golden era. Powered by the 6648 caliber with 24j jewels beating at 28,800 bph, it delivers a 38 hours power reserve. [seikata-wm-95cbc5780a83]

Also known as: Helmet, Arnie

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
38mm
Case Thickness
8.3mm
Lug Width
22mm
Crystal
Mineral
Bezel
Coin-Edge
Water Resistance
200m
Dial Color
Silver
Jewels
24j
Frequency
28,800 bph
Power Reserve
38 hours
Year
1998

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