Seiko Cal. 4411 - 421

This Automatic model from 1975 features a 40mm Two-Tone case. Powered by the 4411 caliber with 24j jewels beating at 21,600 bph, it delivers a 66 hours power reserve. [seikata-wm-911ad7f3e043]

Also known as: Sumo

Specifications

Movement

Automatic

Case Material

Two-Tone

Case Width

40mm

Case Thickness

12.9mm

Lug Width

18mm

Crystal

Sapphire

Bezel

Rotating

Water Resistance

190m

Dial Color

Green

Jewels

24j

Frequency

21,600 bph

Power Reserve

66 hours

Year

1975

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