Seiko Cal. 5654 - 644

Seiko 5654-644

The 5654-644 is a sought-after Automatic piece from Seiko's golden era. Powered by the 5654 caliber with 28j jewels beating at 21,600 bph, it delivers a 49 hours power reserve. [seikata-wm-12176fe5b336]

Also known as: Silverwave, Sportsmatic

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
46mm
Case Thickness
14.4mm
Lug Width
22mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
80m
Dial Color
White
Jewels
28j
Frequency
21,600 bph
Power Reserve
49 hours
Year
1986

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seikata-wm-12176fe5b336