Seiko Cal. 4545 - 133

The 4545-133 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4545 caliber with 30j jewels beating at 21,600 bph, it delivers a 51 hours power reserve. [seikata-wm-139f88d4a046]

Also known as: Sportsmatic

Specifications

Movement

Spring Drive

Case Material

Hardlex-Coated Steel

Case Width

43mm

Case Thickness

9.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

180m

Dial Color

Burgundy

Jewels

30j

Frequency

21,600 bph

Power Reserve

51 hours

Year

1982

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