Seiko Cal. 4451 - 100

The 4451-100 is a sought-after Solar piece from Seiko's golden era. Powered by the 4451 caliber with 24j jewels beating at 21,600 bph, it delivers a 44 hours power reserve. [seikata-wm-bfd25d22af80]

Also known as: World Timer

Specifications

Movement

Solar

Case Material

PVD Black

Case Width

45mm

Case Thickness

14.2mm

Lug Width

21mm

Crystal

Mineral

Bezel

Inner Rotating

Water Resistance

190m

Dial Color

Blue Sunburst

Jewels

24j

Frequency

21,600 bph

Power Reserve

44 hours

Year

1977

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