Seiko Cal. 4476 - 257

This Spring Drive model from 1972 features a 40mm Titanium case. Powered by the 4476 caliber with 21j jewels beating at 21,600 bph, it delivers a 46 hours power reserve. [seikata-wm-160cd2856548]

Also known as: Rally

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

40mm

Case Thickness

10.4mm

Lug Width

21mm

Crystal

Acrylic

Bezel

Inner Rotating

Water Resistance

100m

Dial Color

Silver

Jewels

21j

Frequency

21,600 bph

Power Reserve

46 hours

Year

1972

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