Seiko Cal. 4551 - 616

Seiko 4551-616

The 4551-616 is a sought-after Automatic piece from Seiko's golden era. Powered by the 4551 caliber with 18j jewels beating at 28,800 bph, it delivers a 52 hours power reserve. [seikata-wm-1efff964008b]

Also known as: Helmet, Rally

Specifications

Movement
Automatic
Case Material
Two-Tone
Case Width
40mm
Case Thickness
14.2mm
Lug Width
18mm
Crystal
Acrylic
Bezel
Bidirectional
Water Resistance
50m
Dial Color
Blue Sunburst
Jewels
18j
Frequency
28,800 bph
Power Reserve
52 hours
Year
1993

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