Seiko Cal. 4458 - 921

The 4458-921 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4458 caliber with 29j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-ab08f3ec77b1]

Also known as: Pogue, Baby Tuna

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

34mm

Case Thickness

9.9mm

Lug Width

21mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

180m

Dial Color

Cream

Jewels

29j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1970

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