Seiko Cal. 4571 - 349

The Seiko 4571-349 represents an important milestone in Seiko's 1969 lineup. Powered by the 4571 caliber with 21j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-7fcacb91cf46]

Also known as: Sumo, Navigator

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

34mm

Case Thickness

11.5mm

Lug Width

19mm

Crystal

Mineral

Bezel

Fixed

Water Resistance

80m

Dial Color

Black

Jewels

21j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1969

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