Seiko Cal. 4551 - 145

The 4551-145 is a sought-after Solar piece from Seiko's golden era. Powered by the 4551 caliber with 25j jewels beating at 28,800 bph, it delivers a 71 hours power reserve. [seikata-wm-52234da1ec5f]

Also known as: Sumo, World Timer

Specifications

Movement

Solar

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

13.6mm

Lug Width

19mm

Crystal

Hardlex

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Blue Sunburst

Jewels

25j

Frequency

28,800 bph

Power Reserve

71 hours

Year

1994

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