Seiko Cal. 4421 - 271

The Seiko 4421-271 represents an important milestone in Seiko's 1965 lineup. Powered by the 4421 caliber with 32j jewels beating at 28,800 bph, it delivers a 48 hours power reserve. [seikata-wm-06e4901a9540]

Also known as: Pogue, Helmet

Specifications

Movement

Hand-Winding

Case Material

Stainless Steel

Case Width

40mm

Case Thickness

10.1mm

Lug Width

20mm

Crystal

Acrylic

Bezel

Fixed

Water Resistance

110m

Dial Color

Champagne

Jewels

32j

Frequency

28,800 bph

Power Reserve

48 hours

Year

1965

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