Seiko Cal. 4551 - 976

The 4551-976 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4551 caliber with 18j jewels beating at 28,800 bph, it delivers a 63 hours power reserve. [seikata-wm-091526bee603]

Also known as: Turtle, Bellmatic

Specifications

Movement

Spring Drive

Case Material

PVD Black

Case Width

39mm

Case Thickness

14.0mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

140m

Dial Color

Blue Sunburst

Jewels

18j

Frequency

28,800 bph

Power Reserve

63 hours

Year

1989

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