Seiko Cal. 4471 - 140

This Automatic model from 1981 features a 41mm Two-Tone case. Powered by the 4471 caliber with 24j jewels beating at 28,800 bph, it delivers a 50 hours power reserve. [seikata-wm-be3d85c8bf30]

Also known as: Helmet

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

41mm

Case Thickness

15.8mm

Lug Width

21mm

Crystal

Mineral

Bezel

Coin-Edge

Water Resistance

180m

Dial Color

Silver

Jewels

24j

Frequency

28,800 bph

Power Reserve

50 hours

Year

1981

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