Seiko Cal. 4470 - 655

The 4470-655 is a sought-after Spring Drive piece from Seiko's golden era. Powered by the 4470 caliber with 30j jewels beating at 36,000 bph, it delivers a 71 hours power reserve. [seikata-wm-eb06ebd4c76a]

Also known as: Helmet, Crown

Specifications

Movement

Spring Drive

Case Material

Two-Tone

Case Width

34mm

Case Thickness

13.1mm

Lug Width

21mm

Crystal

Hardlex

Bezel

Bidirectional

Water Resistance

70m

Dial Color

Burgundy

Jewels

30j

Frequency

36,000 bph

Power Reserve

71 hours

Year

1981

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