Seiko Cal. 4411 - 238

This Hand-Winding model from 1973 features a 36mm Gold-Plated case. Powered by the 4411 caliber with 28j jewels beating at 21,600 bph, it delivers a 45 hours power reserve. [seikata-wm-e55e567f8422]

Also known as: Helmet, Sportsmatic

Specifications

Movement

Hand-Winding

Case Material

Gold-Plated

Case Width

36mm

Case Thickness

11.1mm

Lug Width

18mm

Crystal

Mineral

Bezel

Bidirectional

Water Resistance

130m

Dial Color

Champagne

Jewels

28j

Frequency

21,600 bph

Power Reserve

45 hours

Year

1973

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