Seiko Cal. 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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