Seiko Cal. 4551 - 108

The 4551-108 is a sought-after Solar piece from Seiko's golden era. Powered by the 4551 caliber with 29j jewels beating at 28,800 bph, it delivers a 55 hours power reserve. [seikata-wm-f81faa943f70]

Also known as: Sumo

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

46mm

Case Thickness

9.2mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Inner Rotating

Water Resistance

50m

Dial Color

Silver

Jewels

29j

Frequency

28,800 bph

Power Reserve

55 hours

Year

1968

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